-9+7y=-20

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Solution for -9+7y=-20 equation: 


Simplifying
-9 + 7y = -20

Solving
-9 + 7y = -20

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 7y = -20 + 9

Combine like terms: -9 + 9 = 0
0 + 7y = -20 + 9
7y = -20 + 9

Combine like terms: -20 + 9 = -11
7y = -11

Divide each side by '7'.
y = -1.571428571

Simplifying
y = -1.571428571

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