-1+x+x=x

Solution for -1+x+x=x equation:

Simplifying
-1 + x + x = x

Combine like terms: x + x = 2x
-1 + 2x = x

Solving
-1 + 2x = 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.
-1 + 2x + -1x = x + -1x

Combine like terms: 2x + -1x = 1x
-1 + 1x = x + -1x

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

Add '1' to each side of the equation.
-1 + 1 + 1x = 0 + 1

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

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

Divide each side by '1'.
x = 1

Simplifying
x = 1