Question

(7,4-х)*0,3=1,86 помогите срочно нужно!

Answer 1

7.4-х=1.86/0.3
7.4-х=6.2
х=7.4-6.2
х=1.2

Answer 2

(7,4-х)*0,3=1,86
0,3*7,4-0,3*х=1,86
2,22-0,3х=1,86
-0,3х=1,86-2,22
-0,3х=-0,36
х=-0,36/(-0,3)
х=1,2