FluffyTurtle FluffyTurtle

30-12-2020
Mathematics

contestada

Nisha did the work below to solve an equation.
Step 1 7b+3.2b-5=18.92
Step 2 10.2b-5=18.92
Step 3 5.2b= 18.92
Step 4 b=3.64.
In which step did Nisha make her first error?
Step 1
Step 2
Step 3
Step 4

Respuesta :

ChoiSungHyun ChoiSungHyun

30-12-2020

Answer:

Step 3.

Step-by-step explanation:

When 10.2b - 5 = 18.92, you cannot combine the unlike terms together on the left side to get 5.2b. Instead, add 5 to both sides:

10.2b = 18.92 + 5 = 23.92.

Answer Link

Bianisss Bianisss

26-01-2021

Answer: step 3

Step-by-step explanation:

Answer Link

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