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If A=-12Mostis aSymmetrie253XMatrixthens bind sc? |
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Answer» -1(35-6x)+2(14-18)+3(3x+15)=-35+7x+2(-4)+9x+45=35+7x-14+9x+45=80-14+26x=66+26x: 26x=-66; x=66/26= |
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