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: negative five times x over five = twenty-four over five
Step 4: x = twenty-four over five

Step 1: He should have subtracted 16 from each side.

Step 1: He should have divided both sides by −5.

Step 3: He should have multiplied both sides by −5.

Step 3: He should have divided both sides by −5.

Answer 1

@ganeshie8

Answer 2

@Jadeishere

Answer 3

@sleepyjess

Answer 4

@johnweldon1993

Answer 5

@erinkb99 @mathmate

Answer 6

@paki

Answer 7

@IMStuck

Answer 8

@pooja195

Answer 9

Any ideas?

Answer 10

i know its not the first one

Answer 11

Good :-)

Answer 12

-5x = 24

Answer 13

whats that

Answer 14

That what the question says after step 1

Answer 15

nothing is wrong in step 2

Answer 16

So the mistake has got to be in step 3

Answer 17

so its either C or D

Answer 18

Yup

Answer 19

i think it might be D

Answer 20

You're thinking is correct :-)

Answer 21

Lol THANKS SOO MUCH

Answer 22

Thanks for trying to learn and think :D