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Solve the simultaneous equations. 3x-4y=15 ; x+y=-2 |
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Answer» ONG>Answer: 3x-4y=15 x+y=-2 multiply by 4 in EQUATION 2 we get 4x+4y=8 3x-4y=15 4x+4y=-8 7x=7 x=1 we put in eq 2 we get 1+y=-8 y=-7 |
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