8+7y=9y

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Solution for 8+7y=9y equation:


Simplifying
8 + 7y = 9y

Solving
8 + 7y = 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
8 + 7y + -9y = 9y + -9y

Combine like terms: 7y + -9y = -2y
8 + -2y = 9y + -9y

Combine like terms: 9y + -9y = 0
8 + -2y = 0

Add '-8' to each side of the equation.
8 + -8 + -2y = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2y = 0 + -8
-2y = 0 + -8

Combine like terms: 0 + -8 = -8
-2y = -8

Divide each side by '-2'.
y = 4

Simplifying
y = 4

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