Question

detremine o termo desconhecido da proporçao a)8/32=2/x b)5/3=x/21 c)7/x=3/27 d)x/x+1=1/2 e)5/x=4/x+1 f)x/9=x-2/15

Answer 1

a)x=8

b)x=35

c)x+63

d)x∈Ф

e)x=1

f)x=$\frac{3}{20}$