3+7x=3+x

Solution for 3+7x=3+x equation:

Simplifying
3 + 7x = 3 + x

Add '-3' to each side of the equation.
3 + -3 + 7x = 3 + -3 + x

Combine like terms: 3 + -3 = 0
0 + 7x = 3 + -3 + x
7x = 3 + -3 + x

Combine like terms: 3 + -3 = 0
7x = 0 + x
7x = x

Solving
7x = 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.
7x + -1x = x + -1x

Combine like terms: 7x + -1x = 6x
6x = x + -1x

Combine like terms: x + -1x = 0
6x = 0

Divide each side by '6'.
x = 0

Simplifying
x = 0