Question

Tìm x ;

12+13=20 + x

Answer 1

12 + 13 =20 + x

25 = 20 +x

20 + x =25

       x =25 - 20 

        x =5

t nha bn thak nhìu

Answer 2

12 + 13 = 20 + x 

25 = 20 + x 

x = 25 - 20 

x = 5 

Answer 3

12 + 13 = 20 - x

25 = 20 - x

x = 25 - 20 

x = 5

Answer 4

12+13=20+x

20+x=25

x=25-20

x=5

Answer 5

12+13=20+x

=>20+x=25

=>x=25-20

=>x=5

Answer 6

12+13=20+x

25     =20+x

   x=25-20

   x=5

Answer 7

12+13=20+x

=>20+x=25

=>x=25-20

=>x=5

Answer 8

12+13=20+x

=>20+x=25

=>x=25-20

=>x=5

Answer 9

12+13=20+x

=>20+x=25

=>x=25-20

=>x=5