31-x=155

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Solution for 31-x=155 equation:


Simplifying
31 + -1x = 155

Solving
31 + -1x = 155

Solving for variable 'x'.

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

Add '-31' to each side of the equation.
31 + -31 + -1x = 155 + -31

Combine like terms: 31 + -31 = 0
0 + -1x = 155 + -31
-1x = 155 + -31

Combine like terms: 155 + -31 = 124
-1x = 124

Divide each side by '-1'.
x = -124

Simplifying
x = -124

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