Question

923-a+145=693



Ma ajutați va rog repede

Answer 1

923-a+145=693
a=923-693+145
a=375

Answer 2

Salut,



923 – a + 145 = 693 ⇔ 923 – a = 693 – 145 ⇔ 923 – a = 548 ⇔ a = 923 – 548 ⇔ a = 375 ⇔ S = {375}