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HELP me with above attachment |
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Answer» n :Solve for 'X' and 'y' Solution :Let ,EQUATIONS BECOME ,32 p + 33 Q = 31 ... (1)33 p + 32 q = 34 ... (2)Note : This kind of equations can easily solved by addition or subtraction of equations .On adding (1) & (2) ,⇒ 65 p + 65 q = 65 ⇒ p + q = 1 ... (3)On subtracting (1) from (2) ,⇒ p - q = 3 ... (4)On adding (3) & (4) ,➠ 2p = 4➠ p = 2 On subtracting (4) from (3) ,➠ 2q = - 2➠ q = - 1 So , |
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