Question

Nisha did the work below to solve an equation.

Step 1 7 b + 3.2 b minus 5 = 18.92
Step 2 10.2 b minus 5 = 18.92
Step 3 5.2 b = 18.92
Step 4 b = 3.64

In which step did Nisha make her first error?
Step 1
Step 2
Step 3
Step 4

Answer 1

Step 2

Explanation:

10.2 and 5 do not have like terms so they cant be subtracted from each other.

(Also I did the test :D)

Answer 2

Answer:step 2

Explanation: