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(ii) Solve : x + y = 7, 2x – 3y = 9. |
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Answer» x+y=7 MULTIPLY WHOLE EQUATION into 2. 2x+2y=14 2x-3y=9 2x+2y-2x+3y=5 5y=5 y=1 x+1=7 x=6 x=6,y=1 |
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