X+129+x+69=180

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Solution for X+129+x+69=180 equation: 


Simplifying
X + 129 + x + 69 = 180

Reorder the terms:
129 + 69 + X + x = 180

Combine like terms: 129 + 69 = 198
198 + X + x = 180

Solving
198 + X + x = 180

Solving for variable 'X'.

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

Add '-198' to each side of the equation.
198 + X + -198 + x = 180 + -198

Reorder the terms:
198 + -198 + X + x = 180 + -198

Combine like terms: 198 + -198 = 0
0 + X + x = 180 + -198
X + x = 180 + -198

Combine like terms: 180 + -198 = -18
X + x = -18

Add '-1x' to each side of the equation.
X + x + -1x = -18 + -1x

Combine like terms: x + -1x = 0
X + 0 = -18 + -1x
X = -18 + -1x

Simplifying
X = -18 + -1x

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