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If 3x-4y=7; 5x+2y=3 then value of 7x+5y is |
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Answer» Step-by-step EXPLANATION: multiplying SECOND equation by 2 then we get 10x+4y=6 solving first and second equation we get 13x=13 then the value of X is 1 substitute x value in first equation we get y=-1 substitute x and y value in 7x+5y 7×1+5×-1 7-5 2 |
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