simplify( 2/4+-6/5)+(3/7+(-13/7))
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Step-by-step explanation:
(2/4-6/5)+(3/7-13/7)
(10-24/20)+(-10/7)
-14/20-10/7
-7/10-10/7
-(49+100/70)
-(149/70)=-149/70
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