5-12+3a=

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Solution for 5-12+3a= equation: 


Simplifying
5 + -12 + 3a = 0

Combine like terms: 5 + -12 = -7
-7 + 3a = 0

Solving
-7 + 3a = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 3a = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 3a = 0 + 7
3a = 0 + 7

Combine like terms: 0 + 7 = 7
3a = 7

Divide each side by '3'.
a = 2.333333333

Simplifying
a = 2.333333333

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