X+x+(3x+45)=180

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Solution for X+x+(3x+45)=180 equation:


Simplifying
X + x + (3x + 45) = 180

Reorder the terms:
X + x + (45 + 3x) = 180

Remove parenthesis around (45 + 3x)
X + x + 45 + 3x = 180

Reorder the terms:
45 + X + x + 3x = 180

Combine like terms: x + 3x = 4x
45 + X + 4x = 180

Solving
45 + X + 4x = 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 + X + -45 + 4x = 180 + -45

Reorder the terms:
45 + -45 + X + 4x = 180 + -45

Combine like terms: 45 + -45 = 0
0 + X + 4x = 180 + -45
X + 4x = 180 + -45

Combine like terms: 180 + -45 = 135
X + 4x = 135

Add '-4x' to each side of the equation.
X + 4x + -4x = 135 + -4x

Combine like terms: 4x + -4x = 0
X + 0 = 135 + -4x
X = 135 + -4x

Simplifying
X = 135 + -4x

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