Răspuns :
a) 9x + 28 = 2755 => x = 2727/9 => x = 303
510 + 14x = 762 => x = 252/14 => x = 18
b) 5y - 97 = 943 => y = 1040/5 => y = 208
410 - 7y = 151 => -7y = -259 => 7y = 259 => y = 37
a) 9x + 28 = 2755 => x = 2727/9 => x = 303
510 + 14x = 762 => x = 252/14 => x = 18
b) 5y - 97 = 943 => y = 1040/5 => y = 208
410 - 7y = 151 => -7y = -259 => 7y = 259 => y = 37