lexamayLrSi lexamayLrSi

02-09-2016
Mathematics

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GH= 7y+3, HI= 3y-5, and GI= 9y+7. A) What is the value of y? B) Find GH, HI, and GI.

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HomertheGenius HomertheGenius

11-09-2016

A )
9 y + 7 = 7 y + 3 + 3 y - 5
9 y - 7 y - 3 y = 3 - 5 - 7
- y = - 9
y = 9
B )
GH = 63 + 3 = 66
HI = 27 - 5 = 22
GI = 66 + 22 = 88

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