(4.479-3Х):0.06+6.4=80

Question

(4.479-3Х):0.06+6.4=80

Answer 1

(4.479-3х):0,06=80-6,4
(4,479-3х):0,06=73,6
4,479-3х=73,6*0,06
4,479-3х=4,416
3х=4,479-4416
3х=0,063
х=0,063:3
х=0,021

Answer 2

(4.479-3х):0,06=80-6,4
(4,479-3х):0,06=73,6
4,479-3х=73,6*0,06
4,479-3х=4,416
3х=4,479-4416
3х=0,063
х=0,063:3
х=0,021