3+10x=42+x

Solution for 3+10x=42+x equation:

Simplifying
3 + 10x = 42 + x

Solving
3 + 10x = 42 + 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.
3 + 10x + -1x = 42 + x + -1x

Combine like terms: 10x + -1x = 9x
3 + 9x = 42 + x + -1x

Combine like terms: x + -1x = 0
3 + 9x = 42 + 0
3 + 9x = 42

Add '-3' to each side of the equation.
3 + -3 + 9x = 42 + -3

Combine like terms: 3 + -3 = 0
0 + 9x = 42 + -3
9x = 42 + -3

Combine like terms: 42 + -3 = 39
9x = 39

Divide each side by '9'.
x = 4.333333333

Simplifying
x = 4.333333333