9-9y=45

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Solution for 9-9y=45 equation: 


Simplifying
9 + -9y = 45

Solving
9 + -9y = 45

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 + -9y = 45 + -9

Combine like terms: 9 + -9 = 0
0 + -9y = 45 + -9
-9y = 45 + -9

Combine like terms: 45 + -9 = 36
-9y = 36

Divide each side by '-9'.
y = -4

Simplifying
y = -4

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