document.write( "Question 402808: May you help me with this problem:\r
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document.write( "3b+2c=46
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document.write( "5c+b=11\r
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document.write( "The instructions are to use linear combinations to solve the linear system. Then check your solution. Thank you for time. \n" );
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Algebra.Com's Answer #284917 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 3b+2c=46 \n" ); document.write( "5c+b=11 \n" ); document.write( "---- \n" ); document.write( "Rearrange: \n" ); document.write( "3b + 2c = 46 \n" ); document.write( "b + 5c = 11 \n" ); document.write( "--- \n" ); document.write( "Multiply 2nd equation by 3 to get: \n" ); document.write( "3b + 2c = 46 \n" ); document.write( "3b + 15c = 33 \n" ); document.write( "------------------ \n" ); document.write( "Subtract top from bottom and solve for \"c\": \n" ); document.write( "13c = -13 \n" ); document.write( "c = -1 \n" ); document.write( "---- \n" ); document.write( "Solve for \"b\": \n" ); document.write( "5c+b = 11 \n" ); document.write( "5(-1) + b = 11 \n" ); document.write( "b = 11+5 \n" ); document.write( "b = 16 \n" ); document.write( "==================== \n" ); document.write( "cheers, \n" ); document.write( "stan H. \n" ); document.write( "============ \n" ); document.write( " |