Question

б). (2,1-0,7х):0,48=3,5

Answer 1

(2,1-0,7х):0,48=3,5
2.1-0.7x=3.5*0.48
2.1-0.7x=1.68
0.7x=2.1-1.68
0.7x=0.42
x=0.42/0.7
x=0.6