3a-12=48

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Solution for 3a-12=48 equation: 


Simplifying
3a + -12 = 48

Reorder the terms:
-12 + 3a = 48

Solving
-12 + 3a = 48

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + 12 + 3a = 48 + 12

Combine like terms: -12 + 12 = 0
0 + 3a = 48 + 12
3a = 48 + 12

Combine like terms: 48 + 12 = 60
3a = 60

Divide each side by '3'.
a = 20

Simplifying
a = 20

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