Question

What must be added to 7 2 – 14 + 32 to get 9 2 - 10 - 15?​

Answer 1

Answer:

21/

107

Step-by-step explanation:

Suppose x be the rational number which is to be add.

According to the given condition,

2×

3

−7

+x=

7

3

⟹

3

−14

+x=

7

3

⟹x=

7

3

+

3

14

[Transposing

3

−14

toRHS]

⟹x=

21

3×3+14×7

=

21

9+98

⟹x=

21

107

Answer 2

What must be added to 7 2 – 14 + 32 to get 9 2 - 10 - 15?

We must aad -14 to 72 - 14 + 33.