x+x+(x+39)=180

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Solution for x+x+(x+39)=180 equation:


Simplifying
x + x + (x + 39) = 180

Reorder the terms:
x + x + (39 + x) = 180

Remove parenthesis around (39 + x)
x + x + 39 + x = 180

Reorder the terms:
39 + x + x + x = 180

Combine like terms: x + x = 2x
39 + 2x + x = 180

Combine like terms: 2x + x = 3x
39 + 3x = 180

Solving
39 + 3x = 180

Solving for variable 'x'.

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

Add '-39' to each side of the equation.
39 + -39 + 3x = 180 + -39

Combine like terms: 39 + -39 = 0
0 + 3x = 180 + -39
3x = 180 + -39

Combine like terms: 180 + -39 = 141
3x = 141

Divide each side by '3'.
x = 47

Simplifying
x = 47

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