9a+20=180

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Solution for 9a+20=180 equation: 


Simplifying
9a + 20 = 180

Reorder the terms:
20 + 9a = 180

Solving
20 + 9a = 180

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + -20 + 9a = 180 + -20

Combine like terms: 20 + -20 = 0
0 + 9a = 180 + -20
9a = 180 + -20

Combine like terms: 180 + -20 = 160
9a = 160

Divide each side by '9'.
a = 17.77777778

Simplifying
a = 17.77777778

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