For the following system to be consistent, 2x1 – 5x2 – 4r3 = 6 7x1 læ2 + kaz -3 321 8x2 + 9x3 4 we must have k # You may enter your answer as a fraction.

Q: 4w-15=9w-5(w+3)

A: We have to find the value of w according to the given information

Q: х — 3 Зx2 — 4х + 1

A: Given expression: x-33x2-4x+1 To determine: Simplify the given expression.

Q: If 12x + 16y = 11 , what is the value of 6x + 8y?

A: Using Substitution we can get the value of 6x+8y,

Q: -4b+(-9k)-6-3b+12 simplify

A: Given: -4b+-9k-6-3b+12 To determine: To simplify the given expression. Here we shall simplify the…

Q: 3(2x+2)-3x=6+3

A: Given query is to find the value of x.

Q: Find (2k - 5m)3.

A: The given expression is 2k-5m3. Formula used: a-b3=a3-3a2b+3ab2-b3

Q: 4a(7a²-5a-7)+8a³+4a²+4a-15 For a = -3

A: To evalaute the value of given expression at the given value of a.

Q: If a=3,b=4 what will be the answer to 3a + 4b

A:

Q: (3x+5y)2

A: ANSWER :

Q: = 7x3-3x2 +x+2 and B one: 5x3 +7x2-11 b. -5x3 +7x? – x - 11 -5x3 + x2 +x- 11 c.

A: Given: A=7x3-3x2+x+2B=2x3+4x2-9Find: B-A

Q: (s2 + 2s - 8) ÷ (s + 4)

A:

Q: 4y-5(3y+10)=16

A: SOLUTION-

Q: If C = 2m2 + m and D = 2 - 6m + 2m2, find an expression that equals %3D 2C - 2D in standard form.

A: Given:  C=2m2+mD=2-6m+2m2 To find: We have to find 2C-2D in standard form.

Q: How would this be done in substitution method: 2x + 3y = 8 -4x - 6y = 6

A: We will use simple steps of substitution to  solve this.

Q: 2ax - y = 3x + 4y for x

A: Simplification

Q: what adds to give you 9 and multiplies to give you 2

A:

Q: If M = 24a-2b-3c5 and N = 18a 7b6c-4, then =? M

A:

Q: Find 3B - 2A

A:

Q: 3r² – 24r + 48 =

A:

Q: Q-4. Find the value of given combination 11 (H) + (5) 6 2

A:

Q: If 23+15 42+5 then %3D The value of x is

A: Given 23x+15 = 42x+5we know that 4=22so, 23x+15 =22(2x+5)⇒23x+15 =24x+10

Q: 6(2t - 4) +5t= 48-t

A:

Q: (4x3 - 4x2 + 3x- 9) - (2x3 - 7x2 - 5x + 4) (4x3 - 4x? + 3x- 9) - (2x3 - 7x2 - 5x + 4) =| (Simplify…

A:

Q: When you are asked to find the coefficients of 4c + 4b should you put 4,4 or just write 4 once…

A: Coefficient is the constant value with a variable in a expression.

Q: 2(3x + 6) = 8

A: Given equation, 2(3x+6)=8

Q: 5а - 4b 4b = 17 3a + 4b = 23

A:

Q: If a b and b 24, what is the value of 7a + 8? %3D %3D

A: Topic - equation in one variable

Q: find the value of 7v-6 given that -13v-5=8

A: Given: -13v-5=8

Q: If 4x + 8y = 12 , what is the value of 3x + 6y

A:

Q: 3z + 3w = 5 5x + 10y +z + 56w =-9 4x +9y + 48w =-9 3x + 6y + 33w -6.

A: Solution:

Q: If 4y - 8 = 12, What is the value of 2y + 12

A: Given:   4y - 8 = 12

Q: divide (m4 - 10m3 + 12m2 + 21m + 23) ̧(m - 3)

A:

Q: Multiply. (5w+3)(6w²-2w+7) Simplify your answer.

A:

Q: Find mZC. D (3x+6)

A:

Q: of

A:

Q: Perform the indicated operation 6z - 1 N -D5 2-4z-32 z² - 16

A:

Q: Let a = -j-5k and b = 27+3+4k. Find - 2a - 26. -2a - 26 =

A:

Q: To what power has 4 been raised to attain the result of 256?

A: topic - exponents

Q: -4x-y=-18 4x+5y=10 Use elimination method

A: We have to solve

Q: Find 3A + 2B. 7 3 A = -6 5 B = 36 1 -4 3A + 2B =

A:

Q: If w= = 3/4x

A:

Q: 4a+4b=0 and A-3b=1,

A: Given equations are:  4a + 4b = 0 a - 3b = 1