Respuesta :
this one is eazy 18=3y+(y-2) so u already know 3 of them are all equal guess and check 3×5=15 5=y 18=15+3 that is true so there is your answer hope this help 3 juniors are on the team
18 in total
equal of freshmen=x soph.=x seniors=x
So they can all stand for the same variable
j=x-2
18=3x+(j)
substitute
18=3x+x-2
Add and simplify
18=4x-2
+2 both sides
20=4x
÷4 both sides
x=5
5-2=3
3 juniors
If you want to check if this is correct add them up
5+5+3+5= 18
18=18
equal of freshmen=x soph.=x seniors=x
So they can all stand for the same variable
j=x-2
18=3x+(j)
substitute
18=3x+x-2
Add and simplify
18=4x-2
+2 both sides
20=4x
÷4 both sides
x=5
5-2=3
3 juniors
If you want to check if this is correct add them up
5+5+3+5= 18
18=18