5-x-3x=-31

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Solution for 5-x-3x=-31 equation:


Simplifying
5 + -1x + -3x = -31

Combine like terms: -1x + -3x = -4x
5 + -4x = -31

Solving
5 + -4x = -31

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + -4x = -31 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = -31 + -5
-4x = -31 + -5

Combine like terms: -31 + -5 = -36
-4x = -36

Divide each side by '-4'.
x = 9

Simplifying
x = 9

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