b-2+4b=20

Answer 1

To solve this equation, we first need to combine like terms on the left side:

b - 2 + 4b = 20
5b - 2 = 20

Next, we add 2 to both sides:

5b = 22

Finally, we divide by 5 to solve for b:

b = 22 / 5
b = 4.4

Therefore, the solution to the equation is b = 4.4.