61+3a+90=180

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Solution for 61+3a+90=180 equation: 


Simplifying
61 + 3a + 90 = 180

Reorder the terms:
61 + 90 + 3a = 180

Combine like terms: 61 + 90 = 151
151 + 3a = 180

Solving
151 + 3a = 180

Solving for variable 'a'.

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

Add '-151' to each side of the equation.
151 + -151 + 3a = 180 + -151

Combine like terms: 151 + -151 = 0
0 + 3a = 180 + -151
3a = 180 + -151

Combine like terms: 180 + -151 = 29
3a = 29

Divide each side by '3'.
a = 9.666666667

Simplifying
a = 9.666666667

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