3/7+5/14+-13/7+-9/14
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3/7+5/14+-13/7+-9/14 = -12/7
Step-by-step explanation:
3/7 + 5/14 - 13/7 - 9/14
= 6/14 + 5/4 - 26/14 - 9/14
= 11/14 - 35/14
= -24/14
= -12/7
3/7+5/14+-13/7+-9/14 = -12/7
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