11+x+x=30

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Solution for 11+x+x=30 equation: 


Simplifying
11 + x + x = 30

Combine like terms: x + x = 2x
11 + 2x = 30

Solving
11 + 2x = 30

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 + 2x = 30 + -11

Combine like terms: 11 + -11 = 0
0 + 2x = 30 + -11
2x = 30 + -11

Combine like terms: 30 + -11 = 19
2x = 19

Divide each side by '2'.
x = 9.5

Simplifying
x = 9.5

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