30+45+X=180

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Solution for 30+45+X=180 equation: 


Simplifying
30 + 45 + X = 180

Combine like terms: 30 + 45 = 75
75 + X = 180

Solving
75 + X = 180

Solving for variable 'X'.

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

Add '-75' to each side of the equation.
75 + -75 + X = 180 + -75

Combine like terms: 75 + -75 = 0
0 + X = 180 + -75
X = 180 + -75

Combine like terms: 180 + -75 = 105
X = 105

Simplifying
X = 105

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