(X+21)+(3x+6)+x=180

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Solution for (X+21)+(3x+6)+x=180 equation:


Simplifying
(X + 21) + (3x + 6) + x = 180

Reorder the terms:
(21 + X) + (3x + 6) + x = 180

Remove parenthesis around (21 + X)
21 + X + (3x + 6) + x = 180

Reorder the terms:
21 + X + (6 + 3x) + x = 180

Remove parenthesis around (6 + 3x)
21 + X + 6 + 3x + x = 180

Reorder the terms:
21 + 6 + X + 3x + x = 180

Combine like terms: 21 + 6 = 27
27 + X + 3x + x = 180

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

Solving
27 + X + 4x = 180

Solving for variable 'X'.

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

Add '-27' to each side of the equation.
27 + X + -27 + 4x = 180 + -27

Reorder the terms:
27 + -27 + X + 4x = 180 + -27

Combine like terms: 27 + -27 = 0
0 + X + 4x = 180 + -27
X + 4x = 180 + -27

Combine like terms: 180 + -27 = 153
X + 4x = 153

Add '-4x' to each side of the equation.
X + 4x + -4x = 153 + -4x

Combine like terms: 4x + -4x = 0
X + 0 = 153 + -4x
X = 153 + -4x

Simplifying
X = 153 + -4x

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