-9*9+2y=-18

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


Simplifying
-9 * 9 + 2y = -18

Multiply -9 * 9
-81 + 2y = -18

Solving
-81 + 2y = -18

Solving for variable 'y'.

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

Add '81' to each side of the equation.
-81 + 81 + 2y = -18 + 81

Combine like terms: -81 + 81 = 0
0 + 2y = -18 + 81
2y = -18 + 81

Combine like terms: -18 + 81 = 63
2y = 63

Divide each side by '2'.
y = 31.5

Simplifying
y = 31.5

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