40=-2x

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Solution for 40=-2x equation:


Simplifying
40 = -2x

Solving
40 = -2x

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.
40 + 2x = -2x + 2x

Combine like terms: -2x + 2x = 0
40 + 2x = 0

Add '-40' to each side of the equation.
40 + -40 + 2x = 0 + -40

Combine like terms: 40 + -40 = 0
0 + 2x = 0 + -40
2x = 0 + -40

Combine like terms: 0 + -40 = -40
2x = -40

Divide each side by '2'.
x = -20

Simplifying
x = -20

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