Хехехе решите такое -3х - 8 = 2y + 7

-3х - 8 = 2y + 7,-3х = 2у + 7 + 8,-3х = 2у + 15,х = -(2у + 15)/3,-3х - 8 = 2y + 7,2у = -3х - 8 - 7,2у = -3х - 15,у = -3(х+5)/2

-3х-8=2у+7-3х=2у+7+8-3х=2у+15х=-2/3у-5х=-2/3у-5