Step-by-step explanation:
8w - 7w = 20
Subtract the common variables together:
8w - 7w = w
w = 20
Hope this helped you!!
A̷l̷i̷s̷h̷e̷a̷♡
Answer:x=1 and y=-2
Step-by-step explanation:
To solve
3/x+8/y=-1
1/x-2/y=2
Solve simultaneously
We get
3/x+8/y=-1
3/x-6/y=6
-7y=14
y=-2
To get x
Substitute for y in equation one
3/x+8/-2=-1
We have
3/x-4=-1
3/x=-1+4
3/x=3
x=1
The answer is A or the first one
Hope this helps!!