5a+3-2a=12

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Solution for 5a+3-2a=12 equation: 


Simplifying
5a + 3 + -2a = 12

Reorder the terms:
3 + 5a + -2a = 12

Combine like terms: 5a + -2a = 3a
3 + 3a = 12

Solving
3 + 3a = 12

Solving for variable 'a'.

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

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

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

Combine like terms: 12 + -3 = 9
3a = 9

Divide each side by '3'.
a = 3

Simplifying
a = 3

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