-x-7+3x=-7

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


Simplifying
-1x + -7 + 3x = -7

Reorder the terms:
-7 + -1x + 3x = -7

Combine like terms: -1x + 3x = 2x
-7 + 2x = -7

Add '7' to each side of the equation.
-7 + 7 + 2x = -7 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = -7 + 7
2x = -7 + 7

Combine like terms: -7 + 7 = 0
2x = 0

Solving
2x = 0

Solving for variable 'x'.

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

Divide each side by '2'.
x = 0

Simplifying
x = 0

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