(9x-2)+(20x+5)+40=180

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Solution for (9x-2)+(20x+5)+40=180 equation:


Simplifying
(9x + -2) + (20x + 5) + 40 = 180

Reorder the terms:
(-2 + 9x) + (20x + 5) + 40 = 180

Remove parenthesis around (-2 + 9x)
-2 + 9x + (20x + 5) + 40 = 180

Reorder the terms:
-2 + 9x + (5 + 20x) + 40 = 180

Remove parenthesis around (5 + 20x)
-2 + 9x + 5 + 20x + 40 = 180

Reorder the terms:
-2 + 5 + 40 + 9x + 20x = 180

Combine like terms: -2 + 5 = 3
3 + 40 + 9x + 20x = 180

Combine like terms: 3 + 40 = 43
43 + 9x + 20x = 180

Combine like terms: 9x + 20x = 29x
43 + 29x = 180

Solving
43 + 29x = 180

Solving for variable 'x'.

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

Add '-43' to each side of the equation.
43 + -43 + 29x = 180 + -43

Combine like terms: 43 + -43 = 0
0 + 29x = 180 + -43
29x = 180 + -43

Combine like terms: 180 + -43 = 137
29x = 137

Divide each side by '29'.
x = 4.724137931

Simplifying
x = 4.724137931

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