Решите систему уравнений 7х-3у=-1 и 3х+2у=16
7X - 3Y = - 1 3X + 2Y = 16 --------- 14X - 6Y = - 2 9X + 6Y = 48 ------------ 23X = 46 X = 2 ----------- 3 * 2 + 2Y = 16 2Y = 10 Y = 5