10. Consider the equation below, where a, b, and c are whole numbers. a +b - c= a - c+b (a) Is this statement always true, sometimes true, or never true? Justify your response. (b) Torsten said that this statement cannot always be true because subtraction is not com- mutative. What is the flaw in Torsten's argument? (Be sure you are addressing the flaw in his argument, not in his conclusion.)

Q: x+y equals when x= 6 and y = -9.

A:

Q: 12. Evaluate: 2 -1 4 -3 -1 (b) 3 1 2 2 3 -2 2 -3 -1 1

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Q: (c) 1+(-3)+(-3)² + (-3)³ + (-3)* + ..

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Q: work out x in the following...   a - x - 8 = -3 b - 6x =13

A: (a) -x-8=-3 (b) -6x=13 we have to find value of x in both the cases.

Q: Which statement about y = x - 4x - 32 is true? A. The zeros are 8 and -4, because y (x+ 8)(x- 4). B.…

A: We'll use factorization method of quadratic equation.

Q: 2. What is a logical first step in solving the equation? (a) (x + 5) = 64 (c) x +x = 2 (b) (x + 5)?…

A: a). Since the left hand side of the given equation is a perfect square, therefore to eliminate…

Q: 3х +2 7а + 5 5а + 9 x+6

A: 1)The (7a +5) side of a First triangle is equal to the 5a+9 side of second triangle.  2) The side…

Q: a•b = 3|a| = 4|b| = 2|a - 2b| = ?

A: As a•b = 3|a| = 4|b| = 2Squaring the equation |a - 2b| , its solution is shown on the board

Q: (b) 7. 2. 3. 7. 2. 6. 2.

A: Since  the subtraction  12 - 3 = 9 9 - 7 =  2 9 - 3 =  6 6 - 4 =  2

Q: Match the following sentences with the math expression or equation. Note: A number refers to a…

A: 1)    a product of a number and 10

Q: Simplify. 1 t² + 5t +4 a. b. + 5t 3t + 3 5t + 1 (t+1)(t+7) 5t² + 20t + 1 3(t + 4)(t + 1) C. d. 5t² +…

A:

Q: Is the statement x²y-¹ € {x¹n-²y-n : n≤N} 4n-2, true or false? Justify your answer.

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Q: What’s the domain? A.x≠4 x≠-4 x≠-1 B.x≠4 x≠-4 x≠1 C.x≠4 x≠-1 D.x≠1 x≠-4

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Q: Replace R2 by R2 +(-6)R1. 19 -3 -5 6 7 7 -9 9 8 R2 +(-6)R, =

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Q: I want the mathematical steps and written justificat

A: Here we have to prove ,  ddxtan-1(x)=11+x2

Q: Solve for X. 7 X + -7 -5] 7 = 1 -2 8 X.

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Q: 5 (-1)* k + 2 (-1)* The following equation is correct: k + 1 k=0 Select one a. False b. True

A: Given,

Q: b. A poll commissioned by a politician estimates that t days after he makes a statement denigrating…

A:

Q: y=(2x-1)(3x+4) X y -2 -16 -1-10 -4 2 8 14 20 0 1 2 3 4 y=6x² + 5x-4

A: To Find : Which one of these 2 are the same

Q: How many solutions does the equation ₁ + x₂ + x3 + 4 = 18 have, such that ₁, 2 and 3 are positive…

A: Given x1+x2+x3+x4=18 such that x1,x2and x3 are positive integers and x4=3 solution:- x1+x2+x3+x4=18…

Q: What is the solution to 9|x - 81 12 Ox>-12 or x < 8 0-4<x<8

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Q: Add. (6y² +y-9) + (6y² -y- 4) (6y² +y-9) + (6y² -y-4) = (Simplify your answer.)

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Q: 4. (x- 2)2+ (y + 4)² = 16 5. x2 + y - 10x + 8y + 16 = 0 6.x² + y2- 4x + 6y = 12

A: Since you have posted multiple questions we solved first question for you To get the solution of…

Q: Identify the step in which Issac made a mistake in solving the following literal equation for the…

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Q: Find a + b, 2a + 3b, |a|, and |a − b|. a(4,-3) b(-2,5) a+b=? 2a+b=? 2a+3b=? |a|=? |a-b|=?

A:

Q: |a-5|+4=9 |y-4|=11

A: Solution: The objective is to find the values of a and y

Q: 3{/X+ y > xy ху

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Q: Which of the following is (are) the solution(s) to | 6x-5|=7

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Q: 2-2 Given the equation 2x-1 = -2, -2, which of the following statements is true?

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Q: This is my 3rd time trying to submit this question. The pictures are very clear, and I need to…

A:

Q: 1. Let S, the statement: If r and s are rational numbers then r s is a rational number. (a) Let P(x)…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Which statement about y = 7x + 23x+ 6 is true? O A. The zeros are 3 and, because y = (x- 3)(7x - 2).…

A: We have to verify