9a-23=20

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Solution for 9a-23=20 equation: 


Simplifying
9a + -23 = 20

Reorder the terms:
-23 + 9a = 20

Solving
-23 + 9a = 20

Solving for variable 'a'.

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

Add '23' to each side of the equation.
-23 + 23 + 9a = 20 + 23

Combine like terms: -23 + 23 = 0
0 + 9a = 20 + 23
9a = 20 + 23

Combine like terms: 20 + 23 = 43
9a = 43

Divide each side by '9'.
a = 4.777777778

Simplifying
a = 4.777777778

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