Ariel111111 Ariel111111

05-01-2017
Mathematics

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Does anyone from 7th grade and higher know this

Does anyone from 7th grade and higher know this class=

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apologiabiology apologiabiology

05-01-2017

we can combine thos fraction ssince same denomenator
[tex] \frac{3y}{7}+ \frac{1}{7}= \frac{3y+1}{7} [/tex]

so
[tex] \frac{3y+1}{7}= \frac{3}{7} [/tex]

times both sides by 7
3y+1=3
minus 1 both sides
3y=2
divide both sides by 3
y=2/3

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