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Cloe
Mathematics
26 May, 13:05
What do you add to 3 6/7 to make 5
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Kristen Mccullough
26 May, 13:20
0
x=8/7
Step-by-step explanation:
Let the unknown be x
So 3 6/7 + x=5
27/7 + x=5
Lcm is 7
27+7x/7=5
Cross multiply
27+7x=7*5
27+7x=35
Substrate 27 from both sides
7x=8
Make x the subject of formula by dividing both sides by 7
x=8/7
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