Step-by-step explanation:
send the picture of the question
The answer is -3. Now I just got 100 points!!!
Standard form is
ax+by=c
get all x and y on one side
first distribute
-1(x-y)=-x+y
now weh have
8-x+y=-3x+5
add 3x to both sides
8+2x+y=5
minus 8 from both sides
2x+y=-3
