7-(-1x)=-x-1

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Solution for 7-(-1x)=-x-1 equation:


Simplifying
7 + -1(-1x) = -1x + -1

Remove parenthesis around (-1x)
7 + -1 * -1x = -1x + -1

Multiply -1 * -1
7 + 1x = -1x + -1

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

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

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

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

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

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

Combine like terms: -1 + -7 = -8
2x = -8

Divide each side by '2'.
x = -4

Simplifying
x = -4

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