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(1) Solve the following simultaneous equations using Cramer's rule.x+2y + 4 = 0; 3x=-4y-6. |
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Answer» 3x+6y+12=0now 3x=-4y-6so -4y-6+6y+12=02y+6=02y=-6y=-33x=12-6=6 so x=2 |
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