6a+9b-a+12b+2a=

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Solution for 6a+9b-a+12b+2a= equation:


Simplifying
6a + 9b + -1a + 12b + 2a = 0

Reorder the terms:
6a + -1a + 2a + 9b + 12b = 0

Combine like terms: 6a + -1a = 5a
5a + 2a + 9b + 12b = 0

Combine like terms: 5a + 2a = 7a
7a + 9b + 12b = 0

Combine like terms: 9b + 12b = 21b
7a + 21b = 0

Solving
7a + 21b = 0

Solving for variable 'a'.

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

Add '-21b' to each side of the equation.
7a + 21b + -21b = 0 + -21b

Combine like terms: 21b + -21b = 0
7a + 0 = 0 + -21b
7a = 0 + -21b
Remove the zero:
7a = -21b

Divide each side by '7'.
a = -3b

Simplifying
a = -3b

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