X-20+.5X+10+2X-125=180

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Solution for X-20+.5X+10+2X-125=180 equation:


Simplifying
X + -20 + 0.5X + 10 + 2X + -125 = 180

Reorder the terms:
-20 + 10 + -125 + X + 0.5X + 2X = 180

Combine like terms: -20 + 10 = -10
-10 + -125 + X + 0.5X + 2X = 180

Combine like terms: -10 + -125 = -135
-135 + X + 0.5X + 2X = 180

Combine like terms: X + 0.5X = 1.5X
-135 + 1.5X + 2X = 180

Combine like terms: 1.5X + 2X = 3.5X
-135 + 3.5X = 180

Solving
-135 + 3.5X = 180

Solving for variable 'X'.

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

Add '135' to each side of the equation.
-135 + 135 + 3.5X = 180 + 135

Combine like terms: -135 + 135 = 0
0 + 3.5X = 180 + 135
3.5X = 180 + 135

Combine like terms: 180 + 135 = 315
3.5X = 315

Divide each side by '3.5'.
X = 90

Simplifying
X = 90

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