So (3x+14)° and 70° are supplementary angles based on the picture and the given facts. This means added together they will equal 180
(3x+14)+70=180
3x+14=110
3x=96
x=32
You can then use (3x+14) to find y since they are corresponding. Above we found (3x+14)=110 and since y=(3x+14) then y=110