(1) What should be added to twice the rational number -7/3 to get 3/7?
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Answer:
-9\49
Step-by-step explanation:
Answered by
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sorry first time I am not understand question correctly.
2×-7/3+X=3/7
-14/3+X=3/7
-14+3X/3=3/7
-14+3X=9/7
3X=9/7+14
3X=9+98/7
3X=107/7
X=107/21
PROOF:
2×-7/3+107/21
= -14/3+107/21
= -98+107/21
=9/21
=3/7
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