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

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


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

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

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

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

Combine like terms: x + 3x = 4x
40 + 4x + x = 180

Combine like terms: 4x + x = 5x
40 + 5x = 180

Solving
40 + 5x = 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 + 5x = 180 + -40

Combine like terms: 40 + -40 = 0
0 + 5x = 180 + -40
5x = 180 + -40

Combine like terms: 180 + -40 = 140
5x = 140

Divide each side by '5'.
x = 28

Simplifying
x = 28

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