3X+(4X+40)=180

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Solution for 3X+(4X+40)=180 equation: 


Simplifying
3X + (4X + 40) = 180

Reorder the terms:
3X + (40 + 4X) = 180

Remove parenthesis around (40 + 4X)
3X + 40 + 4X = 180

Reorder the terms:
40 + 3X + 4X = 180

Combine like terms: 3X + 4X = 7X
40 + 7X = 180

Solving
40 + 7X = 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 + 7X = 180 + -40

Combine like terms: 40 + -40 = 0
0 + 7X = 180 + -40
7X = 180 + -40

Combine like terms: 180 + -40 = 140
7X = 140

Divide each side by '7'.
X = 20

Simplifying
X = 20

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