(3x+40)+(8x-20)=180

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Solution for (3x+40)+(8x-20)=180 equation:


Simplifying
(3x + 40) + (8x + -20) = 180

Reorder the terms:
(40 + 3x) + (8x + -20) = 180

Remove parenthesis around (40 + 3x)
40 + 3x + (8x + -20) = 180

Reorder the terms:
40 + 3x + (-20 + 8x) = 180

Remove parenthesis around (-20 + 8x)
40 + 3x + -20 + 8x = 180

Reorder the terms:
40 + -20 + 3x + 8x = 180

Combine like terms: 40 + -20 = 20
20 + 3x + 8x = 180

Combine like terms: 3x + 8x = 11x
20 + 11x = 180

Solving
20 + 11x = 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 + 11x = 180 + -20

Combine like terms: 20 + -20 = 0
0 + 11x = 180 + -20
11x = 180 + -20

Combine like terms: 180 + -20 = 160
11x = 160

Divide each side by '11'.
x = 14.54545455

Simplifying
x = 14.54545455

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