11-x=20

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Solution for 11-x=20 equation: 


Simplifying
11 + -1x = 20

Solving
11 + -1x = 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 + -1x = 20 + -11

Combine like terms: 11 + -11 = 0
0 + -1x = 20 + -11
-1x = 20 + -11

Combine like terms: 20 + -11 = 9
-1x = 9

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

Simplifying
x = -9

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