SOLUTION: 9x-9y=27
7y-3x=-11
Solve by the elimination method..
Solution?
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Question 311434: 9x-9y=27
7y-3x=-11
Solve by the elimination method..
Solution?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
dividing 1st eqn by 3 ___ 3x - 3y = 9
adding eqns to ELIMINATE x ___ 7y - 3x + 3x - 3y = -11 + 9
4y = -2 ___ y = -1/2
substituting ___ 3x - 3(-1/2) = 9 ___ x = 5/2
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