X+(-x-1)=7

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


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

Reorder the terms:
X + (-1 + -1x) = 7

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

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

Solving
-1 + X + -1x = 7

Solving for variable 'X'.

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

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

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

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

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

Add 'x' to each side of the equation.
X + -1x + x = 8 + x

Combine like terms: -1x + x = 0
X + 0 = 8 + x
X = 8 + x

Simplifying
X = 8 + x

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