Question

a) X+ 12 = 40
b) 7x = 322
c)x/9= 2
me ajudem pfv​

Answer 1

Explicação passo-a-passo:

a)

x+12=40

x=40-12

x=28

b)

7x=322

x=322/7

x=46

c)

x/9=2

x=2.9

x=18