Question

(48:t+7)*6=90 чему равно t???

Answer 1

48/t+7=90/6=15

48/t=15-7=8

t=48/8=6

 

Answer 2

(48:t+7)*6=90 

(48:t+7)=90 :6

48:t+7=15

48:t=15-7

48:t=8

t=48:8

t=6