-7y+8y-9y=-56

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Solution for -7y+8y-9y=-56 equation: 


Simplifying
-7y + 8y + -9y = -56

Combine like terms: -7y + 8y = 1y
1y + -9y = -56

Combine like terms: 1y + -9y = -8y
-8y = -56

Solving
-8y = -56

Solving for variable 'y'.

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

Divide each side by '-8'.
y = 7

Simplifying
y = 7

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