Question

B și C va rogg!!!!!URGENT!!!!!

Answer 1

b) 7(6x-2y)=12x+5y

42x-14y=12x+5y

42x-12x=5y+14y

30x=19y

x/y=19/30

c) (6x+2y)/(5x+3y)=10/9

9(6x+2y)=10(5x+3y)

54x+18y=50x+30y

54x-50x=30y-18y

4x=12y

x/y=12/4

x/y=3