11=x-(-9)

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Solution for 11=x-(-9) equation:


Simplifying
11 = x + -1(-9)

Multiply -1 * -9
11 = x + 9

Reorder the terms:
11 = 9 + x

Solving
11 = 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.
11 + -1x = 9 + x + -1x

Combine like terms: x + -1x = 0
11 + -1x = 9 + 0
11 + -1x = 9

Add '-11' to each side of the equation.
11 + -11 + -1x = 9 + -11

Combine like terms: 11 + -11 = 0
0 + -1x = 9 + -11
-1x = 9 + -11

Combine like terms: 9 + -11 = -2
-1x = -2

Divide each side by '-1'.
x = 2

Simplifying
x = 2

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