Dans chacun des cas, trouver x : 8x=32 10x=2 et 7=2x

8x = 32
x = 32/8
x = 4

10x = 2
x = 2/10
x = 0,2

7 = 2x
x = 7/2
x = 3,5

reponse 1: 4 reponse 2: 0.2 reponse 3: 3.5