3a-7+12=32

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Solution for 3a-7+12=32 equation: 


Simplifying
3a + -7 + 12 = 32

Reorder the terms:
-7 + 12 + 3a = 32

Combine like terms: -7 + 12 = 5
5 + 3a = 32

Solving
5 + 3a = 32

Solving for variable 'a'.

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

Add '-5' to each side of the equation.
5 + -5 + 3a = 32 + -5

Combine like terms: 5 + -5 = 0
0 + 3a = 32 + -5
3a = 32 + -5

Combine like terms: 32 + -5 = 27
3a = 27

Divide each side by '3'.
a = 9

Simplifying
a = 9

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