-12y-9y=-20

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Solution for -12y-9y=-20 equation: 


Simplifying
-12y + -9y = -20

Combine like terms: -12y + -9y = -21y
-21y = -20

Solving
-21y = -20

Solving for variable 'y'.

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

Divide each side by '-21'.
y = 0.9523809524

Simplifying
y = 0.9523809524

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