18=9y-9

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Solution for 18=9y-9 equation:


Simplifying
18 = 9y + -9

Reorder the terms:
18 = -9 + 9y

Solving
18 = -9 + 9y

Solving for variable 'y'.

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

Add '-9y' to each side of the equation.
18 + -9y = -9 + 9y + -9y

Combine like terms: 9y + -9y = 0
18 + -9y = -9 + 0
18 + -9y = -9

Add '-18' to each side of the equation.
18 + -18 + -9y = -9 + -18

Combine like terms: 18 + -18 = 0
0 + -9y = -9 + -18
-9y = -9 + -18

Combine like terms: -9 + -18 = -27
-9y = -27

Divide each side by '-9'.
y = 3

Simplifying
y = 3

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