5x+20+8x-40=180

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Solution for 5x+20+8x-40=180 equation:


Simplifying
5x + 20 + 8x + -40 = 180

Reorder the terms:
20 + -40 + 5x + 8x = 180

Combine like terms: 20 + -40 = -20
-20 + 5x + 8x = 180

Combine like terms: 5x + 8x = 13x
-20 + 13x = 180

Solving
-20 + 13x = 180

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 13x = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 13x = 180 + 20
13x = 180 + 20

Combine like terms: 180 + 20 = 200
13x = 200

Divide each side by '13'.
x = 15.38461538

Simplifying
x = 15.38461538

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