45+2a=180

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Solution for 45+2a=180 equation: 


Simplifying
45 + 2a = 180

Solving
45 + 2a = 180

Solving for variable 'a'.

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

Add '-45' to each side of the equation.
45 + -45 + 2a = 180 + -45

Combine like terms: 45 + -45 = 0
0 + 2a = 180 + -45
2a = 180 + -45

Combine like terms: 180 + -45 = 135
2a = 135

Divide each side by '2'.
a = 67.5

Simplifying
a = 67.5

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