Question

if 2x+3y=68 and x+y/y = 1*5/8 find the value of 6y+7x

Answer 1

Step-by-step explanation:

x+y/y=1*5/8,x+1=5/8, x= -3/8 put the value 2×(-3/8)+3y= 68; y=68+3/4=275/12 ; 6×275/12+7×(-3/8)=979/8