31-x=17-3x

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Solution for 31-x=17-3x equation:


Simplifying
31 + -1x = 17 + -3x

Solving
31 + -1x = 17 + -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 + -1x + 3x = 17 + -3x + 3x

Combine like terms: -1x + 3x = 2x
31 + 2x = 17 + -3x + 3x

Combine like terms: -3x + 3x = 0
31 + 2x = 17 + 0
31 + 2x = 17

Add '-31' to each side of the equation.
31 + -31 + 2x = 17 + -31

Combine like terms: 31 + -31 = 0
0 + 2x = 17 + -31
2x = 17 + -31

Combine like terms: 17 + -31 = -14
2x = -14

Divide each side by '2'.
x = -7

Simplifying
x = -7

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