3a-15=54

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Solution for 3a-15=54 equation: 


Simplifying
3a + -15 = 54

Reorder the terms:
-15 + 3a = 54

Solving
-15 + 3a = 54

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 3a = 54 + 15

Combine like terms: -15 + 15 = 0
0 + 3a = 54 + 15
3a = 54 + 15

Combine like terms: 54 + 15 = 69
3a = 69

Divide each side by '3'.
a = 23

Simplifying
a = 23

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