4=2-x

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Solution for 4=2-x equation: 


Simplifying
4 = 2 + -1x

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

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

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

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

Combine like terms: 2 + -4 = -2
x = -2

Simplifying
x = -2

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