9(y-4)+9y-34=-2(y-7)-y

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Solution for 9(y-4)+9y-34=-2(y-7)-y equation:


Simplifying
9(y + -4) + 9y + -34 = -2(y + -7) + -1y

Reorder the terms:
9(-4 + y) + 9y + -34 = -2(y + -7) + -1y
(-4 * 9 + y * 9) + 9y + -34 = -2(y + -7) + -1y
(-36 + 9y) + 9y + -34 = -2(y + -7) + -1y

Reorder the terms:
-36 + -34 + 9y + 9y = -2(y + -7) + -1y

Combine like terms: -36 + -34 = -70
-70 + 9y + 9y = -2(y + -7) + -1y

Combine like terms: 9y + 9y = 18y
-70 + 18y = -2(y + -7) + -1y

Reorder the terms:
-70 + 18y = -2(-7 + y) + -1y
-70 + 18y = (-7 * -2 + y * -2) + -1y
-70 + 18y = (14 + -2y) + -1y

Combine like terms: -2y + -1y = -3y
-70 + 18y = 14 + -3y

Solving
-70 + 18y = 14 + -3y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '3y' to each side of the equation.
-70 + 18y + 3y = 14 + -3y + 3y

Combine like terms: 18y + 3y = 21y
-70 + 21y = 14 + -3y + 3y

Combine like terms: -3y + 3y = 0
-70 + 21y = 14 + 0
-70 + 21y = 14

Add '70' to each side of the equation.
-70 + 70 + 21y = 14 + 70

Combine like terms: -70 + 70 = 0
0 + 21y = 14 + 70
21y = 14 + 70

Combine like terms: 14 + 70 = 84
21y = 84

Divide each side by '21'.
y = 4

Simplifying
y = 4

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