9y-7y=-7

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Solution for 9y-7y=-7 equation: 


Simplifying
9y + -7y = -7

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

Solving
2y = -7

Solving for variable 'y'.

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

Divide each side by '2'.
y = -3.5

Simplifying
y = -3.5

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