Question

37x=259
(38+b)*12=840

Answer 1

37х=259
х=259:37
х=7

(38+в)*12=840
38+в=840:12
38+в=70
в=70-38
в=32

Answer 2

Спасибо

Answer 3

fank you

Answer 4

37х=259
х=259:37
х=7
_________
37*7=259

(38+в)*12=840
38+в=840:12
38+в=70
в=70-38
в=32
___________
(38+32)*12=70*12=840