3x+(7x-40)=180

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Solution for 3x+(7x-40)=180 equation: 


Simplifying
3x + (7x + -40) = 180

Reorder the terms:
3x + (-40 + 7x) = 180

Remove parenthesis around (-40 + 7x)
3x + -40 + 7x = 180

Reorder the terms:
-40 + 3x + 7x = 180

Combine like terms: 3x + 7x = 10x
-40 + 10x = 180

Solving
-40 + 10x = 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 + 10x = 180 + 40

Combine like terms: -40 + 40 = 0
0 + 10x = 180 + 40
10x = 180 + 40

Combine like terms: 180 + 40 = 220
10x = 220

Divide each side by '10'.
x = 22

Simplifying
x = 22

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