Question

I want to know question 5,6,7,8,9,10,11

Answer 1

5. let the should be added be x
according to the condition in the question
(-21/41)+x=7/41
x=(7/41)+(21/41)
x=28/41

6. let the other number be x
according to the question
x*(-5/2)=-25/4
x=(-25/4)(-2/5)
x=5/2


7. let the other number be x
according to the question
x*(-5/4)=-15
x=-15*(-4/5)
x=12


8. let the number to be multipled be x
according to the question
x*(-11/31)=-11/2
x=(-11/2)(-31/11)
x=31/2

9. let the number to be divided be x
according to the question
(-15/51)/x=-5
x=1/17


10. let the other number be x
according to the question
x*(-48/5)=131/132
x=(131/132)(-5/48)
x=-655/6336


11. let the number should be divided be x
according to the question
(-21/41)/x=7/41
x=(-21/41)(41/7)
x=-3