Question

A student is trying to solve the system of two equations given below:

Equation P: y + z = 4
Equation Q: 3y + 7z = 15

Which of the following steps can be used to eliminate the y term?



A. –3(y + z = 4)
B. 3(y + z = 4)
C. –1(3y + 7z = 15)
D. –3(3y + 7z = 15)

Answer 1

first what grade are you in

Answer 2

7th

Answer 3

so am i

Answer 4

hmm i think it is B

are homeschooled

Answer 5

do you learn this stuff?

Answer 6

cause i know a trick to check your answers
and kinda

Answer 7

how?

Answer 8

first are you doing a five question quiz on the computer

Answer 9

ya

Answer 10

how do you know?

Answer 11

ok so you click an answer you click submit answers and then if it is not right hit the backspace button but first write down your answers

and lucky guess do u go to nevada virtual academy

Answer 12

if you do thats how i know

Answer 13

:)

Answer 14

i goto Columbia Virtual Academy (CVA).

Answer 15

cool did the trick work

Answer 16

thats how i get five out of five on all my quizes

Answer 17

wait so how do i do it? do i only choose one answer and submit it?

Answer 18

yep

Answer 19

and keep doing it until it says it was right

Answer 20

i like ur picture

Answer 21

if you have a medal it is because i clicked best response

Answer 22

i don't do the other five questions?

Answer 23

brb

Answer 24

Keep in mind that opposites cancel!

Answer 25

So -2 +2 = 0 they cancel out right? So what do we need here?

Answer 26

Oh and @hampton lets focus on helping rather than showing ways to avoid the problem :) oh and welcome to openstudy

Answer 27

who r u

Answer 28

lol

Answer 29

what so funny

Answer 30

it didn't work for me for some reason know i have to redo it and the only way i can only redo it is by asking my teacher witch he is not online right know because he is not at work right know!

Answer 31

mine to

Answer 32

i turned in all my sbac practice test and i need them to get graded

Answer 33

to boost my grade so i can get my 3ds that my mom bought for me yesterday night