-x-1=-3x-7

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Solution for -x-1=-3x-7 equation:


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

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

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

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

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

Combine like terms: -3x + 3x = 0
-1 + 2x = -7 + 0
-1 + 2x = -7

Add '1' to each side of the equation.
-1 + 1 + 2x = -7 + 1

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

Combine like terms: -7 + 1 = -6
2x = -6

Divide each side by '2'.
x = -3

Simplifying
x = -3

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