4ab+9=c

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Solution for 4ab+9=c equation: 


Simplifying
4ab + 9 = c

Reorder the terms:
9 + 4ab = c

Solving
9 + 4ab = c

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 4ab = -9 + c

Combine like terms: 9 + -9 = 0
0 + 4ab = -9 + c
4ab = -9 + c

Divide each side by '4b'.
a = -2.25b-1 + 0.25b-1c

Simplifying
a = -2.25b-1 + 0.25b-1c

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