-9y=-8y-7

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


Simplifying
-9y = -8y + -7

Reorder the terms:
-9y = -7 + -8y

Solving
-9y = -7 + -8y

Solving for variable 'y'.

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

Add '8y' to each side of the equation.
-9y + 8y = -7 + -8y + 8y

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

Combine like terms: -8y + 8y = 0
-1y = -7 + 0
-1y = -7

Divide each side by '-1'.
y = 7

Simplifying
y = 7

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