(-3x+20)+(-2x+55)=180

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Solution for (-3x+20)+(-2x+55)=180 equation: 


Simplifying
(-3x + 20) + (-2x + 55) = 180

Reorder the terms:
(20 + -3x) + (-2x + 55) = 180

Remove parenthesis around (20 + -3x)
20 + -3x + (-2x + 55) = 180

Reorder the terms:
20 + -3x + (55 + -2x) = 180

Remove parenthesis around (55 + -2x)
20 + -3x + 55 + -2x = 180

Reorder the terms:
20 + 55 + -3x + -2x = 180

Combine like terms: 20 + 55 = 75
75 + -3x + -2x = 180

Combine like terms: -3x + -2x = -5x
75 + -5x = 180

Solving
75 + -5x = 180

Solving for variable 'x'.

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

Add '-75' to each side of the equation.
75 + -75 + -5x = 180 + -75

Combine like terms: 75 + -75 = 0
0 + -5x = 180 + -75
-5x = 180 + -75

Combine like terms: 180 + -75 = 105
-5x = 105

Divide each side by '-5'.
x = -21

Simplifying
x = -21

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