Question

Tìm X

8,75×X+1,25×X=20

Answer 1

8,75×X+1,25×X=20

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

x*10=20

x=2

Answer 2

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

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

       10      *X=20

                  X=20:10

                 X=2

Answer 3

x = 2

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Answer 4

8,75×X+1,25×X=20

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

x*10=20

x=2

Answer 5

8,75×X+1,25×X=20

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

x*10=20

x=2

Answer 6

x = 2 đó 

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