Math, asked by cutegril13, 10 months ago

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Answers

Answered by nany39

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Answered by artiq1366

Step-by-step explanation:

commmucative property over addition=a+b=b+a

a)solution= -11/5+4/7 = 4/7+(-11 /5).

= -77+20/35. = 20+(-77)/35

= -57/35. = -57/35. verified

b)solution= -3/5+2/15. = 2/15+(-3/5)

= -9+2/15. = 2+(-9)/15

= -7/15. = -7/15. verified

c)solution= -4/1+(-4/7). = -4/7+(-4/1)

= -28+(-4)/7. = -4+(-28)/7

= -32/7. = -32/7. verified

I hope! I have helped u...

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