Question

 X x 2,8 + X x 5,2 = 48

 

Answer 1

Trả lời:

\(x.2,8+x.5,2=48\)

\(\Leftrightarrow x.\left(2,8+5,2\right)=48\)

\(\Leftrightarrow x.8=48\)

\(\Leftrightarrow x=6\)

Hok tốt!

Bad Boy

Answer 2

x.2,8+x.5,2=48

x.(2,8+5,2)=48

x.8=48

   x=48:8

   x=6

Vậy x=6

Answer 3

\(x\times2,8+x\times5,2=48\)

\(x\times\left(2,8+5,2\right)=48\)

\(x\times8=48\)

\(x=48:8=6\)

Hok tốt!!

Answer 4

Trả lời:

\(x.2,8+x.5,2=48\)

\(\Leftrightarrow\left(2,8+5,2\right)x=48\)

\(\Leftrightarrow8x=48\)

\(\Leftrightarrow x=6\)

Vậy\(x=6\)

Hok tốt!

Good girl