Question

calcule o valor de x nas proporcoes
a) 6/x = 9/12
b) 2x/3 = -24/15​

Answer 1

Resposta:

a) 6/x = 9/12

9x = 6.12

9x = 72

x= 72/9

x=8

b) 2x /3 = -24/15

2x . 15 = 3 . (-24)

30x = - 72

x = -72/30

ou

x= -12/5