Question 100928
let x/y=fraction ... {{{(x+5)/(y-1)=8/3}}} ... {{{(2x)/(y+7)=6/11}}}


3x+15=8y-8 ... 22x=6y+42 ... multiply first by -3 and second by 4, then add


-9x-45=-24y+24 ... 88x=24y+168 ... 79x-45=192 ... 79x=237 ... x=3


3(3)+15=8y-8 ... 32=8y ... y=4