Question

Malloy solved the equation −5x − 16 = 8; his work is shown below. Identify the error and where it was made.

−5x − 16 = 8
Step 1: −5x − 16 + 16 = 8 + 16
Step 2: −5x = 24
Step 3: -5x/5=24/5
Step 4: x = 24/5

A. Step 1 : He should of subtracted 16 from each side.
B. Step 2: He should of divided both sides by -5.
C. Step 3: He should have multiplied both sides by-5
D. Step 3: He should have divided both sides by-5

Answer 1

Answer:

D

Step-by-step explanation:

For step 3, he should have divided both sides by -5, meaning the correct answer to this equation is:

-5x / -5 = 24/-5

then the -5 cancel out:

x = 24/-5

Answer 2

Answer:

.

Step-by-step explanation: