Question

Tim y

y*6+1+3+5+7+...+19=292

Answer 1

y * 6 + 1+ 3 + 5 + 7+ ...+ 19= 292

y * 6+(1+3+5 + 7+ ...+ 19) = 292

y*6 + 100= 292

y * 6 = 292 - 100

y * 6 = 192

y = 192 : 6

y = 32

Answer 2

Là bằng 32 đó bạn.