Question

5. Tìm x:

x*1.6+x*0.4=7

Answer 1

Xx1,6+Xx0,4=7

Xx[1,6+Xx0,4]=7

Xx2=7

X=7:2

X=3,5

tk nha bạn

thank you bạn

Answer 2

x x1.6 + x x 0.4=7

x x (1.6+0.4)=7

x x2=7

x=7:2

x=3.5

k mk nha

Answer 3

x*1.6+x*0.4=7

x*(1.6+0.4) =7

x*      2      =7

x               =7:2

x               =3.5