7=x-2x

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Solution for 7=x-2x equation:


Simplifying
7 = x + -2x

Combine like terms: x + -2x = -1x
7 = -1x

Solving
7 = -1x

Solving for variable 'x'.

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

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

Combine like terms: -1x + x = 0
7 + x = 0

Add '-7' to each side of the equation.
7 + -7 + x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + x = 0 + -7
x = 0 + -7

Combine like terms: 0 + -7 = -7
x = -7

Simplifying
x = -7

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