Example 5: What should be added to twice the rational number
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Answer:
I don't know
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0
Question:
What should be added to twice the rational number
3
−7
to get
7
3
?
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
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