12a-4=9a-10

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Solution for 12a-4=9a-10 equation:


Simplifying
12a + -4 = 9a + -10

Reorder the terms:
-4 + 12a = 9a + -10

Reorder the terms:
-4 + 12a = -10 + 9a

Solving
-4 + 12a = -10 + 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.
-4 + 12a + -9a = -10 + 9a + -9a

Combine like terms: 12a + -9a = 3a
-4 + 3a = -10 + 9a + -9a

Combine like terms: 9a + -9a = 0
-4 + 3a = -10 + 0
-4 + 3a = -10

Add '4' to each side of the equation.
-4 + 4 + 3a = -10 + 4

Combine like terms: -4 + 4 = 0
0 + 3a = -10 + 4
3a = -10 + 4

Combine like terms: -10 + 4 = -6
3a = -6

Divide each side by '3'.
a = -2

Simplifying
a = -2

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