10-11=-(-12-X)

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Solution for 10-11=-(-12-X) equation:


Simplifying
10 + -11 = -1(-12 + -1X)

Combine like terms: 10 + -11 = -1
-1 = -1(-12 + -1X)
-1 = (-12 * -1 + -1X * -1)
-1 = (12 + 1X)

Solving
-1 = 12 + 1X

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.
-1 + -1X = 12 + 1X + -1X

Combine like terms: 1X + -1X = 0
-1 + -1X = 12 + 0
-1 + -1X = 12

Add '1' to each side of the equation.
-1 + 1 + -1X = 12 + 1

Combine like terms: -1 + 1 = 0
0 + -1X = 12 + 1
-1X = 12 + 1

Combine like terms: 12 + 1 = 13
-1X = 13

Divide each side by '-1'.
X = -13

Simplifying
X = -13

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