200-(48/t)*45=20 (40*y 60)/3=140

Question

200-(48/t)*45=20
(40*y 60)/3=140

Answer 1

200-(48 : т)*45 = 20

(48:т)*45= 200 -20

(48 : т)*45=180

48 :т=180:45

48:т= 4

т= 48 : 4

т=12