2(x+y)=-1

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Solution for 2(x+y)=-1 equation: 


Simplifying
2(x + y) = -1
(x * 2 + y * 2) = -1
(2x + 2y) = -1

Solving
2x + 2y = -1

Solving for variable 'x'.

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

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

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

Divide each side by '2'.
x = -0.5 + -1y

Simplifying
x = -0.5 + -1y

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