-2-y+7+2(3+y)+9-8y-5=71

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Solution for -2-y+7+2(3+y)+9-8y-5=71 equation:


Simplifying
-2 + -1y + 7 + 2(3 + y) + 9 + -8y + -5 = 71
-2 + -1y + 7 + (3 * 2 + y * 2) + 9 + -8y + -5 = 71
-2 + -1y + 7 + (6 + 2y) + 9 + -8y + -5 = 71

Reorder the terms:
-2 + 7 + 6 + 9 + -5 + -1y + 2y + -8y = 71

Combine like terms: -2 + 7 = 5
5 + 6 + 9 + -5 + -1y + 2y + -8y = 71

Combine like terms: 5 + 6 = 11
11 + 9 + -5 + -1y + 2y + -8y = 71

Combine like terms: 11 + 9 = 20
20 + -5 + -1y + 2y + -8y = 71

Combine like terms: 20 + -5 = 15
15 + -1y + 2y + -8y = 71

Combine like terms: -1y + 2y = 1y
15 + 1y + -8y = 71

Combine like terms: 1y + -8y = -7y
15 + -7y = 71

Solving
15 + -7y = 71

Solving for variable 'y'.

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

Add '-15' to each side of the equation.
15 + -15 + -7y = 71 + -15

Combine like terms: 15 + -15 = 0
0 + -7y = 71 + -15
-7y = 71 + -15

Combine like terms: 71 + -15 = 56
-7y = 56

Divide each side by '-7'.
y = -8

Simplifying
y = -8

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