3x-5+x=31

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


Simplifying
3x + -5 + x = 31

Reorder the terms:
-5 + 3x + x = 31

Combine like terms: 3x + x = 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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