a+2+3a-10=12

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Solution for a+2+3a-10=12 equation:


Simplifying
a + 2 + 3a + -10 = 12

Reorder the terms:
2 + -10 + a + 3a = 12

Combine like terms: 2 + -10 = -8
-8 + a + 3a = 12

Combine like terms: a + 3a = 4a
-8 + 4a = 12

Solving
-8 + 4a = 12

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 4a = 12 + 8

Combine like terms: -8 + 8 = 0
0 + 4a = 12 + 8
4a = 12 + 8

Combine like terms: 12 + 8 = 20
4a = 20

Divide each side by '4'.
a = 5

Simplifying
a = 5

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