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

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


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

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

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

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

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

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

Combine like terms: 18 + 18 = 36
36 + X + x = 180

Solving
36 + X + x = 180

Solving for variable 'X'.

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

Add '-36' to each side of the equation.
36 + X + -36 + x = 180 + -36

Reorder the terms:
36 + -36 + X + x = 180 + -36

Combine like terms: 36 + -36 = 0
0 + X + x = 180 + -36
X + x = 180 + -36

Combine like terms: 180 + -36 = 144
X + x = 144

Add '-1x' to each side of the equation.
X + x + -1x = 144 + -1x

Combine like terms: x + -1x = 0
X + 0 = 144 + -1x
X = 144 + -1x

Simplifying
X = 144 + -1x

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