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29-08-2017
Mathematics

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if r is the midpoint of line QS find the coordinates of x if QR=8x-51 and RS= 3x-6, find QS

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ghanami ghanami

29-08-2017

hello :
If R is the midpoint of line QS : QR=RS
8x -51 = 3x-6
8x-3x = 51-6
5x = 45
x=45/5
x=9

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