we bring ecuation to the same denominator 16y -18=7y 16y-7y=18 9y=18 y=18/9=2

According to the BODMAS rule, the question you had posted looks like this:8y-9=(7/2)*y8y-9=(7y/2)16y-18=7y16y-7y=189y=18y=18/9y=2