13c+2ab+ab-9b=

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Solution for 13c+2ab+ab-9b= equation:


Simplifying
13c + 2ab + ab + -9b = 0

Reorder the terms:
2ab + ab + -9b + 13c = 0

Combine like terms: 2ab + ab = 3ab
3ab + -9b + 13c = 0

Solving
3ab + -9b + 13c = 0

Solving for variable 'a'.

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

Add '9b' to each side of the equation.
3ab + -9b + 9b + 13c = 0 + 9b

Combine like terms: -9b + 9b = 0
3ab + 0 + 13c = 0 + 9b
3ab + 13c = 0 + 9b
Remove the zero:
3ab + 13c = 9b

Add '-13c' to each side of the equation.
3ab + 13c + -13c = 9b + -13c

Combine like terms: 13c + -13c = 0
3ab + 0 = 9b + -13c
3ab = 9b + -13c

Divide each side by '3b'.
a = 3 + -4.333333333b-1c

Simplifying
a = 3 + -4.333333333b-1c

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