16+ab=20

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Solution for 16+ab=20 equation: 


Simplifying
16 + ab = 20

Solving
16 + ab = 20

Solving for variable 'a'.

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

Add '-16' to each side of the equation.
16 + -16 + ab = 20 + -16

Combine like terms: 16 + -16 = 0
0 + ab = 20 + -16
ab = 20 + -16

Combine like terms: 20 + -16 = 4
ab = 4

Divide each side by 'b'.
a = 4b-1

Simplifying
a = 4b-1

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