-18=2x-y

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Solution for -18=2x-y equation:


Simplifying
-18 = 2x + -1y

Solving
-18 = 2x + -1y

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-18 + -2x = 2x + -2x + -1y

Combine like terms: 2x + -2x = 0
-18 + -2x = 0 + -1y
-18 + -2x = -1y

Add '18' to each side of the equation.
-18 + 18 + -2x = 18 + -1y

Combine like terms: -18 + 18 = 0
0 + -2x = 18 + -1y
-2x = 18 + -1y

Divide each side by '-2'.
x = -9 + 0.5y

Simplifying
x = -9 + 0.5y

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