12ab-9b-20b+15=0

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Solution for 12ab-9b-20b+15=0 equation:


Simplifying
12ab + -9b + -20b + 15 = 0

Reorder the terms:
15 + 12ab + -9b + -20b = 0

Combine like terms: -9b + -20b = -29b
15 + 12ab + -29b = 0

Solving
15 + 12ab + -29b = 0

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + 12ab + -15 + -29b = 0 + -15

Reorder the terms:
15 + -15 + 12ab + -29b = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 12ab + -29b = 0 + -15
12ab + -29b = 0 + -15

Combine like terms: 0 + -15 = -15
12ab + -29b = -15

Add '29b' to each side of the equation.
12ab + -29b + 29b = -15 + 29b

Combine like terms: -29b + 29b = 0
12ab + 0 = -15 + 29b
12ab = -15 + 29b

Divide each side by '12b'.
a = -1.25b-1 + 2.416666667

Simplifying
a = -1.25b-1 + 2.416666667

Reorder the terms:
a = 2.416666667 + -1.25b-1

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