2,31x=0,1617 x*3,4=3,4068 28x=0,028

Question

2,31x=0,1617

x*3,4=3,4068

28x=0,028

Answer 1

2,31x=0,1617
x=0.07

x·3,4=3.4068
x=3,4068-3,4
x=0.0068

28x=0,028
x=0.001