20+x-11=17

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Solution for 20+x-11=17 equation: 


Simplifying
20 + x + -11 = 17

Reorder the terms:
20 + -11 + x = 17

Combine like terms: 20 + -11 = 9
9 + x = 17

Solving
9 + x = 17

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + x = 17 + -9

Combine like terms: 9 + -9 = 0
0 + x = 17 + -9
x = 17 + -9

Combine like terms: 17 + -9 = 8
x = 8

Simplifying
x = 8

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