-2*9-9y=18

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Solution for -2*9-9y=18 equation: 


Simplifying
-2 * 9 + -9y = 18

Multiply -2 * 9
-18 + -9y = 18

Solving
-18 + -9y = 18

Solving for variable 'y'.

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

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

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

Combine like terms: 18 + 18 = 36
-9y = 36

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

Simplifying
y = -4

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