Rozwiąż równania: 8x=3=5x+39, 9m+1=5m+45, 11n+7=5n+43, 7a+20=6a+39, 13z+15=z+63. PROSZĘNA DZIŚ NA TERAZ DAJE NAJ.<333

8x - 3=5x+39  8x - 5x = 42 + 3 3x = 45 x = 15 9m+1=5m+45 9m - 5m = 45 - 1 4m = 44 m = 11 11n+7=5n+43 11n - 5n = 43 - 7 6n = 36 n = 6 7a+20=6a+39 7a - 6a = 39 - 20 a = 19 13z+15=z+63 13z - z = 63 - 15 12z = 48 x = 4