smartgirl101
Solve the system of equations and give your answer as an ordered pair:
3y + 2x = 17
x  4y = 21



This Question is Closed

precal
Best Response
You've already chosen the best response.
1
what method would you like to use?

smartgirl101
Best Response
You've already chosen the best response.
1
it's either substitution or elimination

precal
Best Response
You've already chosen the best response.
1
which do you like?

smartgirl101
Best Response
You've already chosen the best response.
1
elimination

precal
Best Response
You've already chosen the best response.
1
ok do you want to cancel out the x's or the y's?
Tell me what number you are going to multiply to which equation?

smartgirl101
Best Response
You've already chosen the best response.
1
the x's
second equation

precal
Best Response
You've already chosen the best response.
1
ok you might want to rewrite the equations so that the x and y are underneath each other

precal
Best Response
You've already chosen the best response.
1
dw:1333569378906:dw

precal
Best Response
You've already chosen the best response.
1
what number do you multiply to equation 2 to make the x's cancel out

smartgirl101
Best Response
You've already chosen the best response.
1
1

precal
Best Response
You've already chosen the best response.
1
no

smartgirl101
Best Response
You've already chosen the best response.
1
3

precal
Best Response
You've already chosen the best response.
1
no

smartgirl101
Best Response
You've already chosen the best response.
1
6

precal
Best Response
You've already chosen the best response.
1
dw:1333569507506:dw

smartgirl101
Best Response
You've already chosen the best response.
1
2

precal
Best Response
You've already chosen the best response.
1
yes

smartgirl101
Best Response
You've already chosen the best response.
1
i thought about putting that

precal
Best Response
You've already chosen the best response.
1
dw:1333569548378:dw

precal
Best Response
You've already chosen the best response.
1
ok distribute the 2 to everything in the ( ), what do you get? You can reply using my drawing, click on the pencil on the upper right hand side

smartgirl101
Best Response
You've already chosen the best response.
1
dw:1333569528644:dw

precal
Best Response
You've already chosen the best response.
1
yes

precal
Best Response
You've already chosen the best response.
1
dw:1333569714680:dw

precal
Best Response
You've already chosen the best response.
1
add both equations together and what do you get?

precal
Best Response
You've already chosen the best response.
1
I can help you for about 10 more minutes then I have to go

smartgirl101
Best Response
You've already chosen the best response.
1
dw:1333569715202:dw

precal
Best Response
You've already chosen the best response.
1
dw:1333569888166:dw

precal
Best Response
You've already chosen the best response.
1
dw:1333569913840:dw

smartgirl101
Best Response
You've already chosen the best response.
1
dw:1333569795605:dw

precal
Best Response
You've already chosen the best response.
1
recall 2x and 2x make the x's go away

precal
Best Response
You've already chosen the best response.
1
I did not understand what you wrote ,
5y=25
so what is y?

smartgirl101
Best Response
You've already chosen the best response.
1
5

precal
Best Response
You've already chosen the best response.
1
yes y=5

precal
Best Response
You've already chosen the best response.
1
dw:1333570054041:dw

precal
Best Response
You've already chosen the best response.
1
can you solve for x now?

precal
Best Response
You've already chosen the best response.
1
I will be leaving soon, I have a couple of more minutes left

precal
Best Response
You've already chosen the best response.
1
dw:1333570362931:dw

precal
Best Response
You've already chosen the best response.
1
x=1
y=5
solution is (1, 5)