-9=2(y+8)-7y

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


Simplifying
-9 = 2(y + 8) + -7y

Reorder the terms:
-9 = 2(8 + y) + -7y
-9 = (8 * 2 + y * 2) + -7y
-9 = (16 + 2y) + -7y

Combine like terms: 2y + -7y = -5y
-9 = 16 + -5y

Solving
-9 = 16 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
-9 + 5y = 16 + -5y + 5y

Combine like terms: -5y + 5y = 0
-9 + 5y = 16 + 0
-9 + 5y = 16

Add '9' to each side of the equation.
-9 + 9 + 5y = 16 + 9

Combine like terms: -9 + 9 = 0
0 + 5y = 16 + 9
5y = 16 + 9

Combine like terms: 16 + 9 = 25
5y = 25

Divide each side by '5'.
y = 5

Simplifying
y = 5

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