use a property of the real numbers and explain how the property is being applied =14(3+(-x))+15x-51 No justification needed =(42+(-14x))+15x-51 =42+(-14x+15x)-51 =42+(-14+15)x-51 =42+1x-51 No justification needed =1x+42-51 =1x-9 No justification needed =x-9

Q: simplify 2(5x-7)-8(x-5)

A:

Q: B. Explain each step, excluding those that are labeled as "no justification needed.” For each step,…

A: The objective of this question is to understand the properties of real numbers being used in each…

Q: Consider the two expressions 2x+1,"and" 1/(2x+1) . For what values of x is the first expression…

A: To find the domain of the given functions

Q: Explain how to simplify the expression 7x - [3x - (2x - 4) + 2] - x

A: The given expression is as below :         7x-[3x-(2x-4)+2]-x

Q: what values of x make the expression (x+7)(x-10) positive

A: Given,          Expression (x+7)(x-10)

Q: What is used in x²+4=0 x²+4+(-4)=0+(-4)

A:

Q: What is the quotient of (6x square -7x-5)/(2x+1) for all values of x where the expression is defined…

A:

Q: 2x2 + 5x +8 Given x + -2, the expression is equivalent to x +2 9 (1) 2x2 + x +2 6 (3) 2x + 1 + x +2…

A:

Q: what value makes 5x+7=3x-5 true

A:

Q: Select the expression equivalent to (4x + 3) + (-2x + 4) a) -2x + 12 b) -8x + 12 c) 6x + 7 d) 2x + 7

A:

Q: In the answer, is that 3(x-4) times 2-7x+12 or 3(x-4) x squared -7x+12?

A: The answer is in the ration form that is f(x)g(x) that is f(x) divided by g(x).

Q: 7(3x-2)+4x-10 in simplest form

A: To write the given equation in simplest form: Equation is 73x-2+4x-10

Q: Simplify the following expression as far as possible: (x - 6)(x+ 6) – (x+ 6)² – (x – 6)². Note that…

A: Arithmetic expression

Q: Why can't "a-b" equal "b-a"? assuming a and b are nonzero real numbers

A: We have to show that (a-b) ≠b-a  by using a & bare non zero real number

Q: The expression -3m - [2m + (5 - m)]  + 7 was simplified as 2 - 4m. Without simplifying, explain how…

A: the final answer is 2-4m. the explanation is given in the below step

Q: ) -12x equivalent to -9 Show y

A: Introduction: To make it less hard or difficult; to make it simpler or easier To condense an…

Q: Identify the expression that is not equivalent to the others x-2+3x , 4(x-2) , -2+7x-3x , 4x-2

A: We have to simplify each expression.x-2+3x= 4x-2 (combined x+3x=4x)4(x-2) = 4x-8 (distributed 4)

Q: Why is -2(a-5) NOT equal to -2a-10? Assuimg that "a" and "b" are nonzero real numbers

A:

Q: lin says, "i started inside the parenthess and end up with 23x." 8 - 3 (4 - 9x) 8 - 3(-5x) 8 +…

A: It is wrong.

Q: Which expression is equivalent to 24x - 22x+ 5? A) (12x + 5)(2x + 1) B) (8x - 5)(3x - 1) (12x-…

A: Given expression :

Q: 30+(-6x+7x)-45 = 30+(-6+7)x-45 represents what property?

A:

Q: Evaluate 7(x - 3) / (2x - 16) for x = 9

A:

Q: Simplify 7X+4-5(3X-2)

A: Distribute -5 first.

Q: Evaluate 5(x + 2) / (2x-14)  for x = 10

A: The given expression is 5x+22x-14.

Q: how do i simplify (6x+4)(6x+5) ?

A:

Q: What is simplify the expression by combining like terms -5(x+4)-3x-4=

A:

Q: I don't understand how to use that 7.

A:

Q: Let f (z) = 4z, = Q A = 2and B=2+ 2i. Let C1 be the contour composed of the line segments O Aand AB…

A: