18x+9y=-18

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Solution for 18x+9y=-18 equation: 


Simplifying
18x + 9y = -18

Solving
18x + 9y = -18

Solving for variable 'x'.

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

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

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

Divide each side by '18'.
x = -1 + -0.5y

Simplifying
x = -1 + -0.5y

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