What is the value of B after the equation A=3/7 (B-25)

If your equation is A = 3 (B-25) / 7, then we can solve for B by isolating B on one side. We can do this by the following ...

First, multiply both sides by 7

7A = 3 (B-25)

Next, divide both sides by 3.

7A/3 = B - 25

Finally, add 25 to both sides.

7A/3 + 25 = B

Therefore, B = 25 + 7A/3