X-(-1)=-8

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Solution for X-(-1)=-8 equation: 


Simplifying
X + -1(-1) = -8

Multiply -1 * -1
X + 1 = -8

Reorder the terms:
1 + X = -8

Solving
1 + X = -8

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 + -1 + X = -8 + -1

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

Combine like terms: -8 + -1 = -9
X = -9

Simplifying
X = -9

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