Question

Solve: 4 − x = 19

A) 15
B) -15
C) 21
D) -21

Answer 1

add four to both sides

Answer 2

then multiply both sides by -1

Answer 3

Subtract four from both sides

Answer 4

yes subtract

Answer 5

4 - x = 19
- x = 15
Multiply both sides by - 1

Answer 6

-x=19-4
x= -1*(19-4)

Answer 7

so the answer is 15?

Answer 8

No, you're solving from x, right?

Answer 9

*for

Answer 10

yes,

Answer 11

okay so would the answer be C) 21

Answer 12

No

Answer 13

you had - x = 15, and you're solving for postive x, so multiply both sides by -1 (whatever you do to one side you must do to the other) and you'll get x = -15

Answer 14

yes that is true

Answer 15

thank you all for your help