(3x+40)+(4x)=180

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


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

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

Remove parenthesis around (40 + 3x)
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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