Question

Yuri solved the equation below incorrectly. Explain the step where he went wrong.

b over fifteen minus one equals twenty-nine

Step 1: b over fifteen minus one plus one equals twenty-nine plus one
Step 2: b over fifteen equals thirty
Step 3: b over fifteen divided by fifteen equals thirty divided by fifteen
Step 4: b equals two

Answer 1

b/15 - 1 = 29
b/15 = 30
(b/15)/15 = 30/15
b/225 = 2 . . .

Answer 2

?

Answer 3

Seems like Yuri made a mistake between steps 3 and 4 where he divided by 15 instead of multiplying by 15.

Answer 4

what yuou mean