Multiply the first equation by -1
-3x-y=-4
2x+y=5
Add them up
-x=1
So x=-1
And y=7
So the first option is correct
Answer:
jadas practice time is 168 minutes or 2 hours 48 minutes. Diegos practice time is 235 minutes or 3 hours 55minutes hope this helps! have a nice day and good luck with your test!
Step-by-step explanation:
Answer:
Part A:80
Part B:4
Step-by-step explanation:
1 22. 1 13
11 22. 13 13
22 22
answer 1 (-22m -13n)
113 groups, since the place value of the 4 is divisible by 4 you can predict that the quotient is about 100