9+4a=180

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Solution for 9+4a=180 equation: 


Simplifying
9 + 4a = 180

Solving
9 + 4a = 180

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 4a = 180 + -9

Combine like terms: 9 + -9 = 0
0 + 4a = 180 + -9
4a = 180 + -9

Combine like terms: 180 + -9 = 171
4a = 171

Divide each side by '4'.
a = 42.75

Simplifying
a = 42.75

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