15a-54=9

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Solution for 15a-54=9 equation: 


Simplifying
15a + -54 = 9

Reorder the terms:
-54 + 15a = 9

Solving
-54 + 15a = 9

Solving for variable 'a'.

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

Add '54' to each side of the equation.
-54 + 54 + 15a = 9 + 54

Combine like terms: -54 + 54 = 0
0 + 15a = 9 + 54
15a = 9 + 54

Combine like terms: 9 + 54 = 63
15a = 63

Divide each side by '15'.
a = 4.2

Simplifying
a = 4.2

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