Question

ENCONTRE O VALOR DE X

A)X/7=3/21

B) 8/X=12/3

C) 3/X=15/20

D) 9/12=3X ​

Answer 1

Resposta:

Explicação passo a passo:

A) X/7=3/21

21. X=7.3

21x=21

X=21/21

X=1

B) 8/X=12/3

8/x=4

X.4=8

4x=8

X=8/4

X=2