document.write( "Question 478497: Find the solution to each system by the addition (elimination method) Check your answer.\r
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document.write( "4s-5t=18
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document.write( "6s+10t=-8\r
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Algebra.Com's Answer #327849 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 4s-5t=18 \n" ); document.write( "6s+10t=-8 \r \n" ); document.write( "\n" ); document.write( "---- \n" ); document.write( "Multiply thru the 1st equation by 2: \n" ); document.write( "8s-10t = 36 \n" ); document.write( "6s+10t = -8 \n" ); document.write( "---- \n" ); document.write( "Add and solve for \"s\": \n" ); document.write( "14s = 28 \n" ); document.write( "s = 2 \n" ); document.write( "---- \n" ); document.write( "Solve for \"t\" using any of the equations: \n" ); document.write( "4s-5t = 18 \n" ); document.write( "4*2-5t = 18 \n" ); document.write( "-5t = 10 \n" ); document.write( "t = -2 \n" ); document.write( "----- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |