Question

Kaitlyn solved the equation for x using the following calculations. Negative 5.4 + x = 12.2. Minus 5.4. x = 6.8. What error, if any, did she make? She should have added 5.4 to each side. She should have added the inverse of 5.4 to each side. She made a computational error when she subtracted 5.4 from 12.2. She should have added 12.2 to each side.

Answer 1

Answer:

option 1

Step-by-step explanation:

Answer 2

Kaityn error is that (a) She should have added 5.4 to each side.

How to determine the error?

The steps are given as:

-5.4 + x = 12.2

x = 6.8

The proper steps of the equation are:

-5.4 + x = 12.2

Add 5.4 to both sides

x = 17.6

Hence, Kaityn error is that (a) She should have added 5.4 to each side.

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