Answer:
x=-5, y=-1
Step-by-step explanation:
Substitute x=-4+y into -2x-5y=15. So we have
-2(-4+y)-5y=15
8-2y-5y=15
-7y=7
y=-1
And x is -4+y so x= -4+(-1)= -5.
Answer:
A. 7
<em>good luck, i hope this helps :)
</em>
X2 is double the amount of x1
Answer:
Step-by-step explanation:
<u>We need to find the difference in progress:</u>
- 1/3 - 2/8 =
- 1/3 - 1/4 =
- 4/12 - 3/12 =
- 1/12
The first student is 1/12 ahead