11-05-2017
Mathematics

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6x+15y=-45;6x+5y=-35 How can you order a ladder work sheet

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Menna3aly Menna3aly

11-05-2017

6x+15y=-45
-6x-5y =35 (multiplied by -1)
=10y = -10 (added)
y = -1
************
6x+15(-1)=-45
6x=-45-(-15) = -30
x = -5

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