Answer:
The answer is -0.2 = b
Step-by-step explanation:
first add 3.8 to both sides of the equation to get .25 = - b/0.8 then multiply both sides by 0.8 to get 0.2 = -b. -b is the same as -1 b so just divide or multiply both sides by -1 to get -0.2 = b