12a-10=9a+2

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Solution for 12a-10=9a+2 equation:


Simplifying
12a + -10 = 9a + 2

Reorder the terms:
-10 + 12a = 9a + 2

Reorder the terms:
-10 + 12a = 2 + 9a

Solving
-10 + 12a = 2 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-10 + 12a + -9a = 2 + 9a + -9a

Combine like terms: 12a + -9a = 3a
-10 + 3a = 2 + 9a + -9a

Combine like terms: 9a + -9a = 0
-10 + 3a = 2 + 0
-10 + 3a = 2

Add '10' to each side of the equation.
-10 + 10 + 3a = 2 + 10

Combine like terms: -10 + 10 = 0
0 + 3a = 2 + 10
3a = 2 + 10

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

Divide each side by '3'.
a = 4

Simplifying
a = 4

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