VERIFY THE FOLLOWING
a) -12/5 + 2/7 = 2/7 + -12/5
b) -5/8 +-9/13 + -5/8
c) 3 + -7/12 + -7/12 + 3
d) 2/-7 + 12/-35 = 12/-35 + 2/-7
Answers
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Step-by-step explanation:
1)
(-12/5)+2/7=(-84+10)/35= (-74)/35
2/7+(-12/5)=(10-84)/35= (-74)/35
2)(-5/8)+(-9/13)+(-5/8)=2*(-5/8)+(-9/13)
=(-5/4)+(-9/13)
= (-65-36)/52
= -101/52
3)3+(-7/2)+(-7/2)+3=6+2*(-7/2)
=6-7
= -1
4)(2/-7)+(12/-35)=(-70-84)/(35*7). =(-154)/(35*7)=(-22)/35
12/(-35)+2/(-7)=(-84-70)/(35*7)= (-22/35)
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