-3=2x-y

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Solution for -3=2x-y equation:


Simplifying
-3 = 2x + -1y

Solving
-3 = 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.
-3 + -2x = 2x + -2x + -1y

Combine like terms: 2x + -2x = 0
-3 + -2x = 0 + -1y
-3 + -2x = -1y

Add '3' to each side of the equation.
-3 + 3 + -2x = 3 + -1y

Combine like terms: -3 + 3 = 0
0 + -2x = 3 + -1y
-2x = 3 + -1y

Divide each side by '-2'.
x = -1.5 + 0.5y

Simplifying
x = -1.5 + 0.5y

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