3x+20+4x+5-8x+15=180

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Solution for 3x+20+4x+5-8x+15=180 equation: 


Simplifying
3x + 20 + 4x + 5 + -8x + 15 = 180

Reorder the terms:
20 + 5 + 15 + 3x + 4x + -8x = 180

Combine like terms: 20 + 5 = 25
25 + 15 + 3x + 4x + -8x = 180

Combine like terms: 25 + 15 = 40
40 + 3x + 4x + -8x = 180

Combine like terms: 3x + 4x = 7x
40 + 7x + -8x = 180

Combine like terms: 7x + -8x = -1x
40 + -1x = 180

Solving
40 + -1x = 180

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + -1x = 180 + -40

Combine like terms: 40 + -40 = 0
0 + -1x = 180 + -40
-1x = 180 + -40

Combine like terms: 180 + -40 = 140
-1x = 140

Divide each side by '-1'.
x = -140

Simplifying
x = -140

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