(7X)+(12X+20)+(20X-35)=180

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Solution for (7X)+(12X+20)+(20X-35)=180 equation: 


Simplifying
(7X) + (12X + 20) + (20X + -35) = 180

Reorder the terms:
(7X) + (20 + 12X) + (20X + -35) = 180

Remove parenthesis around (20 + 12X)
(7X) + 20 + 12X + (20X + -35) = 180

Reorder the terms:
(7X) + 20 + 12X + (-35 + 20X) = 180

Remove parenthesis around (-35 + 20X)
(7X) + 20 + 12X + -35 + 20X = 180

Reorder the terms:
20 + -35 + (7X) + 12X + 20X = 180

Combine like terms: 20 + -35 = -15
-15 + (7X) + 12X + 20X = 180

Combine like terms: (7X) + 12X = 19X
-15 + 19X + 20X = 180

Combine like terms: 19X + 20X = 39X
-15 + 39X = 180

Solving
-15 + 39X = 180

Solving for variable 'X'.

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

Add '15' to each side of the equation.
-15 + 15 + 39X = 180 + 15

Combine like terms: -15 + 15 = 0
0 + 39X = 180 + 15
39X = 180 + 15

Combine like terms: 180 + 15 = 195
39X = 195

Divide each side by '39'.
X = 5

Simplifying
X = 5

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