Solve the equation for the variable b: ab - 2c = 4

b : ab = a

a - 2c = 4

- 2c = 4 - a

Step-by-step explanation:

hope it helps

b = (4+2c)/a

Step-by-step explanation:

ab - 2c = 4

Add 2c to each side

ab - 2c+2c = 4+2c

ab = 4+2c

Divide each side by a

ab/a = (4+2c)/a

b = (4+2c)/a