Question

2. Решите уравнение: 1) x+ 53 = 97 2) 142 – x = 76.

Answer 1

1) х + 53 = 97

  х = 97 - 53

  х = 44

44 + 53 = 97

       97 = 97

2) 142 - х = 76

   х = 142 - 76

   х = 66

142 - 66 = 76

        76 = 76