(11x+20)+(100-3x)=180

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Solution for (11x+20)+(100-3x)=180 equation:


Simplifying
(11x + 20) + (100 + -3x) = 180

Reorder the terms:
(20 + 11x) + (100 + -3x) = 180

Remove parenthesis around (20 + 11x)
20 + 11x + (100 + -3x) = 180

Remove parenthesis around (100 + -3x)
20 + 11x + 100 + -3x = 180

Reorder the terms:
20 + 100 + 11x + -3x = 180

Combine like terms: 20 + 100 = 120
120 + 11x + -3x = 180

Combine like terms: 11x + -3x = 8x
120 + 8x = 180

Solving
120 + 8x = 180

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + 8x = 180 + -120

Combine like terms: 120 + -120 = 0
0 + 8x = 180 + -120
8x = 180 + -120

Combine like terms: 180 + -120 = 60
8x = 60

Divide each side by '8'.
x = 7.5

Simplifying
x = 7.5

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