X+(x+3)+(x-18)=180

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Solution for X+(x+3)+(x-18)=180 equation:


Simplifying
X + (x + 3) + (x + -18) = 180

Reorder the terms:
X + (3 + x) + (x + -18) = 180

Remove parenthesis around (3 + x)
X + 3 + x + (x + -18) = 180

Reorder the terms:
X + 3 + x + (-18 + x) = 180

Remove parenthesis around (-18 + x)
X + 3 + x + -18 + x = 180

Reorder the terms:
3 + -18 + X + x + x = 180

Combine like terms: 3 + -18 = -15
-15 + X + x + x = 180

Combine like terms: x + x = 2x
-15 + X + 2x = 180

Solving
-15 + X + 2x = 180

Solving for variable 'X'.

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

Add '15' to each side of the equation.
-15 + X + 15 + 2x = 180 + 15

Reorder the terms:
-15 + 15 + X + 2x = 180 + 15

Combine like terms: -15 + 15 = 0
0 + X + 2x = 180 + 15
X + 2x = 180 + 15

Combine like terms: 180 + 15 = 195
X + 2x = 195

Add '-2x' to each side of the equation.
X + 2x + -2x = 195 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 195 + -2x
X = 195 + -2x

Simplifying
X = 195 + -2x

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