a+105-30=180

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Solution for a+105-30=180 equation: 


Simplifying
a + 105 + -30 = 180

Reorder the terms:
105 + -30 + a = 180

Combine like terms: 105 + -30 = 75
75 + a = 180

Solving
75 + a = 180

Solving for variable 'a'.

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

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

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

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

Simplifying
a = 105

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