2ab-3=18

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Solution for 2ab-3=18 equation: 


Simplifying
2ab + -3 = 18

Reorder the terms:
-3 + 2ab = 18

Solving
-3 + 2ab = 18

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 2ab = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 2ab = 18 + 3
2ab = 18 + 3

Combine like terms: 18 + 3 = 21
2ab = 21

Divide each side by '2b'.
a = 10.5b-1

Simplifying
a = 10.5b-1

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