-7-3x=7-x

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


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

Solving
-7 + -3x = 7 + -1x

Solving for variable 'x'.

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

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

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

Combine like terms: -1x + x = 0
-7 + -2x = 7 + 0
-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 = 14
-2x = 14

Divide each side by '-2'.
x = -7

Simplifying
x = -7

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