Question

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

Answer 1

8,75xX+1,25xX=20

{8,75+1,25}xX=20

             10xX=20

                  X=20:10

                  X=2

đây nha e

Answer 2

2

Answer 3

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

\(x=20:10=2\)