Question

45 x + 9 = 40 x + 24 por favor me ajudem

Answer 1

40x + 9= 40x + 24

45x - 40x = 24 - 9

5x= 24 - 9

5x = 15

x=3

Answer 2

45x+9=40x+24

45x-40x=24-9

5x=15

x=15/3

x=5

Resposta: 5