X+X+(X+45)=180

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Solution for X+X+(X+45)=180 equation:


Simplifying
X + X + (X + 45) = 180

Reorder the terms:
X + X + (45 + X) = 180

Remove parenthesis around (45 + X)
X + X + 45 + X = 180

Reorder the terms:
45 + X + X + X = 180

Combine like terms: X + X = 2X
45 + 2X + X = 180

Combine like terms: 2X + X = 3X
45 + 3X = 180

Solving
45 + 3X = 180

Solving for variable 'X'.

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

Add '-45' to each side of the equation.
45 + -45 + 3X = 180 + -45

Combine like terms: 45 + -45 = 0
0 + 3X = 180 + -45
3X = 180 + -45

Combine like terms: 180 + -45 = 135
3X = 135

Divide each side by '3'.
X = 45

Simplifying
X = 45

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