Question

8.75 x X + 1.25 x X = 20

Hỏi X = ?

Answer 1

= (8.75+1.25)xX=20

10xX=20

X=20:10

X=2

Answer 2

8,75*x+1,25*x=20

x*(8,75+1,25)=20

x*10             =20

x                 =20:10

x                  =2