Answer:
x = 1 and y = 5
Step-by-step explanation:
Use substitution because you know that x = y - 4, and plug this into the first equation to get -10(y - 4) + 3y = 5, or -10y + 40 + 3y = 5. This is -7y = -35 so y = 5. Plug this into the 2nd equation to get that x = 1 and y = 5.
Hope this helped!
(Taken from a source but seemed right)
:)
It's 15 because
3 groups and 5 people in each group
and becomes 15
I HOPE THIS HELPS
X and y are points that help u place other points