x+3x-31=

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Solution for x+3x-31= equation:


Simplifying
x + 3x + -31 = 0

Reorder the terms:
-31 + x + 3x = 0

Combine like terms: x + 3x = 4x
-31 + 4x = 0

Solving
-31 + 4x = 0

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 + 4x = 0 + 31

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

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

Divide each side by '4'.
x = 7.75

Simplifying
x = 7.75

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