Question

A=(a+b+c)/3

To solve for b in this formula, the first step is to:

A.) Subtract 3 from both sides of the equation.
B.) Divide both sides of the equation by 3.
C.) Multiply both sides of the equation by 3.
D.) Add a -3 to both sides of the equation.

Answer 1

Multiply by 3!

Answer 2

to remove the denominator you have to multiply by 3

Answer 3

That way you eliminate 3 from the right hand side of the formaula :)