Elementary Algebra Question

label Algebra
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Can I get help on the 8th question from this link?

https://docs.google.com/file/d/0ByXp6Ibu-fCyOTBhMmE5MjgtN2U2Yy00YWI1LThmNDQtZjAzOWVmMTdmNjc1/edit?pli=1

May 16th, 2015

x=1st number , x+2=2nd number , x+4=3rd number

x+(x+2)+(x+4)=225

x+x+2+x+4=225

3x+6=225

3x=225-6

3x=219

x=219/3

x=73

x=1st number, so 1st number is 73

x+2=2nd number, 73+2=75, so 2nd number is 75

x+4=3rd number, 73+4=77, so 3rd number is 77

answer: 73, 75, 77


May 16th, 2015

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May 16th, 2015
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May 16th, 2015
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