Question

[Đỗ Linh Hương]

y x 4 + 1/2 x y = 55,35

Answer 1

[# APTX _ 4869 _ : ( $>$ )]

Y×4+1/2×y=55,35

Y×4+0,5×y=55,35

Y×(4+0,5)=55,35

Y×4,5=55,35

Y=55,35:4

Y=12,3

Vậy y=12,3

Answer 2

[Nguyễn Hồng Nhật]

x=12,3