12b+7a+3b-a=

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Solution for 12b+7a+3b-a= equation:


Simplifying
12b + 7a + 3b + -1a = 0

Reorder the terms:
7a + -1a + 12b + 3b = 0

Combine like terms: 7a + -1a = 6a
6a + 12b + 3b = 0

Combine like terms: 12b + 3b = 15b
6a + 15b = 0

Solving
6a + 15b = 0

Solving for variable 'a'.

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

Add '-15b' to each side of the equation.
6a + 15b + -15b = 0 + -15b

Combine like terms: 15b + -15b = 0
6a + 0 = 0 + -15b
6a = 0 + -15b
Remove the zero:
6a = -15b

Divide each side by '6'.
a = -2.5b

Simplifying
a = -2.5b

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