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Today at 9:58 AM
Mathematics

Answered

Xy=30
3x-y=-9

Solve by the substitution method

Answer :

Аноним Аноним

Today at 10:02 AM

If XY = 30, then we can make x=30/y.First:3x=-9+yx=-3+y/3By substitution, we get:30/y=3+y/330=3y+3y/y30=3y+33y=27y=9Hope this helps!

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