9-7y=-9

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Solution for 9-7y=-9 equation: 


Simplifying
9 + -7y = -9

Solving
9 + -7y = -9

Solving for variable 'y'.

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

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

Combine like terms: 9 + -9 = 0
0 + -7y = -9 + -9
-7y = -9 + -9

Combine like terms: -9 + -9 = -18
-7y = -18

Divide each side by '-7'.
y = 2.571428571

Simplifying
y = 2.571428571

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