4=-2x-y

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Solution for 4=-2x-y equation:


Simplifying
4 = -2x + -1y

Solving
4 = -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.
4 + 2x = -2x + 2x + -1y

Combine like terms: -2x + 2x = 0
4 + 2x = 0 + -1y
4 + 2x = -1y

Add '-4' to each side of the equation.
4 + -4 + 2x = -4 + -1y

Combine like terms: 4 + -4 = 0
0 + 2x = -4 + -1y
2x = -4 + -1y

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

Simplifying
x = -2 + -0.5y

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