135+a=180

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Solution for 135+a=180 equation: 


Simplifying
135 + a = 180

Solving
135 + a = 180

Solving for variable 'a'.

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

Add '-135' to each side of the equation.
135 + -135 + a = 180 + -135

Combine like terms: 135 + -135 = 0
0 + a = 180 + -135
a = 180 + -135

Combine like terms: 180 + -135 = 45
a = 45

Simplifying
a = 45

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