Question

бу — 7 = 7
3х — 8y = — 31

Answer 1

Answer:

I hope this helps!!!!!

Answer 2

Answer:

creo que es X= 13 , Y= -1

Step-by-step explanation:

3*(6y-7)-8y=-31

18y-21-8y=-31

10y=-10

y=(-1)

6*-1-7= x ----> X=13