-x+3x=6+x

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Solution for -x+3x=6+x equation: 


Simplifying
-1x + 3x = 6 + x

Combine like terms: -1x + 3x = 2x
2x = 6 + x

Solving
2x = 6 + 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.
2x + -1x = 6 + x + -1x

Combine like terms: 2x + -1x = 1x
1x = 6 + x + -1x

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

Divide each side by '1'.
x = 6

Simplifying
x = 6

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