Question

x + 4/9 =1 1/3

2 1/2 + x = 3 4/5

x : 3/5 = 9

8 1/6 - x = 4 3/4

4 1/4 + x = 7 1/20

3/4 * x = 7

5 1/7 - x = 2 1/4

1 5/8 * x =2 1/2

Answer 1

x+4/9=1i1/3

x=4/3-4/9

x=12/9-4/9

x=8/9

 

2i1/2+x=3i4/5

x=19/5-5/2

x=38/10-25/10

x=13/10

x=1i3/10

 

x:3/5=9   /*3/5

x=9*3/5

x=27/5

x=5i2/5

 

8i1/6-x=4i3/4

-x=19/4-49/6

-x=57/12-98/12

-x=-41/12

-x=-  3i5/12  /*(-1)

x=3i5/12

 

4i1/4+x=7i1/20

x=7i1/20-4i5/20

x=2i6/20

x=2i3/10

 

3/4*x=7   /*4/3

x=7*4/3

x=28/3

x=9i1/3

 

5i1/7-x=2i1/4

-x=2i1/4-5i1/7

-x=2i7/28-5i4/28

-x=-2i25/28   /*(-1)

x=2i25/28

 

1i5/8*x=2i1/2

13/8x=5/2   /*8/13

x=5/2*8/13

x=40/26

x=1i7/13