-7b-9ac+4b+12ac=

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Solution for -7b-9ac+4b+12ac= equation:


Simplifying
-7b + -9ac + 4b + 12ac = 0

Reorder the terms:
-9ac + 12ac + -7b + 4b = 0

Combine like terms: -9ac + 12ac = 3ac
3ac + -7b + 4b = 0

Combine like terms: -7b + 4b = -3b
3ac + -3b = 0

Solving
3ac + -3b = 0

Solving for variable 'a'.

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

Add '3b' to each side of the equation.
3ac + -3b + 3b = 0 + 3b

Combine like terms: -3b + 3b = 0
3ac + 0 = 0 + 3b
3ac = 0 + 3b
Remove the zero:
3ac = 3b

Divide each side by '3c'.
a = bc-1

Simplifying
a = bc-1

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