-10-9a+12a=6+7a

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Solution for -10-9a+12a=6+7a equation:


Simplifying
-10 + -9a + 12a = 6 + 7a

Combine like terms: -9a + 12a = 3a
-10 + 3a = 6 + 7a

Solving
-10 + 3a = 6 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
-10 + 3a + -7a = 6 + 7a + -7a

Combine like terms: 3a + -7a = -4a
-10 + -4a = 6 + 7a + -7a

Combine like terms: 7a + -7a = 0
-10 + -4a = 6 + 0
-10 + -4a = 6

Add '10' to each side of the equation.
-10 + 10 + -4a = 6 + 10

Combine like terms: -10 + 10 = 0
0 + -4a = 6 + 10
-4a = 6 + 10

Combine like terms: 6 + 10 = 16
-4a = 16

Divide each side by '-4'.
a = -4

Simplifying
a = -4

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