Question

tim x 

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

Answer 1

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

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

x *  10 = 20

x =  20 : 10

x = 2 

cau hoi tuong tu

Answer 2

\(8,75.x1,25x=20\)

\(\Rightarrow10x=20\)

\(\Rightarrow x=20:10=2\)

vậy x = 2

Answer 3

\(8,75\times x+1,25\times x=20\)

\(x\times\left(8,75+1,25\right)=20\)

\(x\times10=20\)

\(x=2\)

#chuk bn hok tốt ạ !

Answer 4

\(8,75.x+1,25.x=20\)

\(\Rightarrow x\left(8,75+1,25\right)=20\)

\(\Rightarrow x.10=20\)

\(\Rightarrow x=20:10\)

\(\Rightarrow x=2\)

Vậy x = 2

_Chúc bạn học tốt_

Answer 5

8.75xX+1.25xX=20

Xx(8.75+1.25)=20

Xx10=20

x=20:10

X=2