Evalute each of the following:

(i) +

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

(ix)

(x)

(xi) -

Re-arrange sutably and find the sum in each of the following.

(i)

(ii)

(iii)

(iv)

(v)

(vi)

Subtract the first rational number from the second in each of the following:

(i)

(ii)

(iii)

(iv)

(v)

(vi)

(vii)

(viii)

The sum of the two numbers is . If one of the numbers is , find the other

The sum of two numbers is . If one of the numbers is , find the other