10+4x=31+x

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Solution for 10+4x=31+x equation:


Simplifying
10 + 4x = 31 + x

Solving
10 + 4x = 31 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
10 + 4x + -1x = 31 + x + -1x

Combine like terms: 4x + -1x = 3x
10 + 3x = 31 + x + -1x

Combine like terms: x + -1x = 0
10 + 3x = 31 + 0
10 + 3x = 31

Add '-10' to each side of the equation.
10 + -10 + 3x = 31 + -10

Combine like terms: 10 + -10 = 0
0 + 3x = 31 + -10
3x = 31 + -10

Combine like terms: 31 + -10 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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