Medal for first answer
How many solutions are there to the following system of equations?

3x + 7y = –10
15x + 35y = –45

A.
1

B.
infinitely many

C.
0

D.
2
I know that the first equation, when multiplied by 5 will be the second equation, but the answers to both equations are not like that..

Question

Medal for first answer
How many solutions are there to the following system of equations? 
 
3x + 7y = –10 
15x + 35y = –45
 
 A.
1
 
 B.
infinitely many
 
 C.
0
 
 D.
2
I know that the first equation, when multiplied by 5 will be the second equation, but the answers to both equations are not like that..

nnesha · Answer

medal for good explanation !!!!!!!!!!!!!!!!!!

dtan5457 · Answer

Many ways to solve this...not sure which to show you

nnesha · Answer

multiply first equ ation by 5 not give you second equation

anonymous · Answer

the easiest if you can

nnesha · Answer

|dw:1419878335993:dw|
what is -10 times  5??