-x+40=212

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Solution for -x+40=212 equation:


Simplifying
-1x + 40 = 212

Reorder the terms:
40 + -1x = 212

Solving
40 + -1x = 212

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -1x = 212 + -40

Combine like terms: 40 + -40 = 0
0 + -1x = 212 + -40
-1x = 212 + -40

Combine like terms: 212 + -40 = 172
-1x = 172

Divide each side by '-1'.
x = -172

Simplifying
x = -172

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