Question

qual o valor de x?
a)3x=27?
b)18x=1?
c)9x=9?
d)10x=100?

Answer 1

A)3x=27  x=27/3  x=9

B)18x=1  x=1/18 

C)9x=9  x=9/9  x=1

D)10x=100  x=100/10  x=10

Answer 2

a) x= 9
b) x= 1/18
c) x= 1
d) x= 10