4k+5k+k=1200 срочно!!!!! 6t+3t-t=640 ссссссрррооооччччнннооооо!!!!!!!!!!!!!!!!!!

Question

4k+5k+k=1200 срочно!!!!! 6t+3t-t=640
ссссссрррооооччччнннооооо!!!!!!!!!!!!!!!!!!

Answer 1

4k + 5k + k = 1200
9k + k = 1200
10k = 1200
k = 1200/10
k = 120

6t + 3t - t = 640
9t - t = 640
8t = 640
t = 640/8
t = 80

Answer 2

10к=1200
к=1200/10
к=120
8t=640
t=640/8
t=80