Respuesta :
you need to isolate y. first add 5 on both sides of the equation to isolate 2y. that will get you 15 + 5 = 2y, then add 15 and 5 to get 20. then solve for y, which gets you y = 10
y equals 10 but I dunno how to give you a step by step maybe someone e else can help with that
