31=55-3x

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Solution for 31=55-3x equation:


Simplifying
31 = 55 + -3x

Solving
31 = 55 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
31 + 3x = 55 + -3x + 3x

Combine like terms: -3x + 3x = 0
31 + 3x = 55 + 0
31 + 3x = 55

Add '-31' to each side of the equation.
31 + -31 + 3x = 55 + -31

Combine like terms: 31 + -31 = 0
0 + 3x = 55 + -31
3x = 55 + -31

Combine like terms: 55 + -31 = 24
3x = 24

Divide each side by '3'.
x = 8

Simplifying
x = 8

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