Question

Yuri solved the equation below incorrectly. Explain the step where he went wrong.
15b + 1 = 30
step 1:15b/15 + 1 =30/15
Step 2:b + 1 = 2
Step 3:b + 1 - 1 = 2 - 1
Step 4: b = 1

Answer 1

if you are dividing both sides by 15,each and every term should be divided(including the '1')....

Answer 2

ok thank you