3
Simplify 2 by 5 + 3 by 7 + (-6) by (5) + (-13) by (7)
after rearrangement
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2
Step-by-step explanation:
2/5+3/7+(-6/5)+(-13/7)
=2/5+3/7-6/5-13/7
=14+15-42-65/35
=-78/35
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