x-(-11)=20

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Solution for x-(-11)=20 equation: 


Simplifying
x + -1(-11) = 20

Multiply -1 * -11
x + 11 = 20

Reorder the terms:
11 + x = 20

Solving
11 + x = 20

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + x = 20 + -11

Combine like terms: 11 + -11 = 0
0 + x = 20 + -11
x = 20 + -11

Combine like terms: 20 + -11 = 9
x = 9

Simplifying
x = 9

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