8+9y=7y

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Solution for 8+9y=7y equation:


Simplifying
8 + 9y = 7y

Solving
8 + 9y = 7y

Solving for variable 'y'.

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

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

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

Combine like terms: 7y + -7y = 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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