1-(-8)=X

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


Simplifying
1 + -1(-8) = X

Multiply -1 * -8
1 + 8 = X

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

Solving
9 = X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
9 + -1X = X + -1X

Combine like terms: X + -1X = 0
9 + -1X = 0

Add '-9' to each side of the equation.
9 + -9 + -1X = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1X = 0 + -9
-1X = 0 + -9

Combine like terms: 0 + -9 = -9
-1X = -9

Divide each side by '-1'.
X = 9

Simplifying
X = 9

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