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Simplifying
-11 + 10x + 11 + -33 = x + 2x + 100

Reorder the terms:
-11 + 11 + -33 + 10x = x + 2x + 100

Combine like terms: -11 + 11 = 0
0 + -33 + 10x = x + 2x + 100
-33 + 10x = x + 2x + 100

Reorder the terms:
-33 + 10x = 100 + x + 2x

Combine like terms: x + 2x = 3x
-33 + 10x = 100 + 3x

Solving
-33 + 10x = 100 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-33 + 10x + -3x = 100 + 3x + -3x

Combine like terms: 10x + -3x = 7x
-33 + 7x = 100 + 3x + -3x

Combine like terms: 3x + -3x = 0
-33 + 7x = 100 + 0
-33 + 7x = 100

Add '33' to each side of the equation.
-33 + 33 + 7x = 100 + 33

Combine like terms: -33 + 33 = 0
0 + 7x = 100 + 33
7x = 100 + 33

Combine like terms: 100 + 33 = 133
7x = 133

Divide each side by '7'.
x = 19

Simplifying
x = 19
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