34+125+a=180

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Solution for 34+125+a=180 equation: 


Simplifying
34 + 125 + a = 180

Combine like terms: 34 + 125 = 159
159 + a = 180

Solving
159 + a = 180

Solving for variable 'a'.

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

Add '-159' to each side of the equation.
159 + -159 + a = 180 + -159

Combine like terms: 159 + -159 = 0
0 + a = 180 + -159
a = 180 + -159

Combine like terms: 180 + -159 = 21
a = 21

Simplifying
a = 21

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