7y-9y=-7-9

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


Simplifying
7y + -9y = -7 + -9

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

Combine like terms: -7 + -9 = -16
-2y = -16

Solving
-2y = -16

Solving for variable 'y'.

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

Divide each side by '-2'.
y = 8

Simplifying
y = 8

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