Question

determine o valor de X nas expressões a seguir: a) 2/x+1=1/5 b) 5/x-3=2/8

Answer 1

A) x=1/5.2-1
x=5.2-1
x=10-1
x=9

B)x=2/8.5+3
x=0,25.5+3
x=1,25+3
x=4,25