7y=80+9y

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Solution for 7y=80+9y equation: 


Simplifying
7y = 80 + 9y

Solving
7y = 80 + 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.
7y + -9y = 80 + 9y + -9y

Combine like terms: 7y + -9y = -2y
-2y = 80 + 9y + -9y

Combine like terms: 9y + -9y = 0
-2y = 80 + 0
-2y = 80

Divide each side by '-2'.
y = -40

Simplifying
y = -40

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