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3x+7y=68 3x-y=4 in elimination |
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Answer» Answer: Given, 3X + 7y= 68 3x - y = 4 subtract 2 EQUATIONS 3x - 3x + 7y + y = 68 - 4 8y = 64 y = 8 substitute y VALUE in any of 2 equations 3x - 8 = 4 3x = 12 x = 4 values of x and y are 4 and 8 respectively |
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