3a+15=180

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Solution for 3a+15=180 equation: 


Simplifying
3a + 15 = 180

Reorder the terms:
15 + 3a = 180

Solving
15 + 3a = 180

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + 3a = 180 + -15

Combine like terms: 15 + -15 = 0
0 + 3a = 180 + -15
3a = 180 + -15

Combine like terms: 180 + -15 = 165
3a = 165

Divide each side by '3'.
a = 55

Simplifying
a = 55

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