Question

1) (1.8+x)*21=71.4
2) 16(4x_3.4)=6.08
3) (x-1.25)*4.5=27
4)(x+19.64)*0.18=144
5)17(1.6-5x)=2.38
6) 9.66:(x+0.17)=23
Помогите!!!

Answer 1

1)37.8+21х=71.4
21х=71.4-37.8
21х=33.6
Х=33.6 : 21
Х= 1.6
Ответ:1.6