Question

2.04*(0.5+x)=4.284
2.1*(0.5+x)=4.284

Answer 1

0.5х=4.284:2.04
0.5х=2.1
Х=2.1:0.5
Х=4.2

0.5х=4.284:2.1
0.5х=2.04
Х=2.04:0.5
Х=4.08