-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

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

Add '7' to each side of the equation.
-7 + 7 + -1x = -7 + 7 + -3x

Combine like terms: -7 + 7 = 0
0 + -1x = -7 + 7 + -3x
-1x = -7 + 7 + -3x

Combine like terms: -7 + 7 = 0
-1x = 0 + -3x
-1x = -3x

Solving
-1x = -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-1x + 3x = -3x + 3x

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

Combine like terms: -3x + 3x = 0
2x = 0

Divide each side by '2'.
x = 0

Simplifying
x = 0

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