document.write( "Question 124645: Solve the system by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.\r
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document.write( "x+5y=10
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document.write( "-2x-10y= -20\r
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document.write( "Show your solution below:\r
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document.write( "What is the solution for this system?\r
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document.write( "What type of system is this?\r
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Algebra.Com's Answer #91363 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve the system by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent. \n" ); document.write( "x+5y=10 \n" ); document.write( "-2x-10y= -20 \n" ); document.write( "---------------- \n" ); document.write( "Multiply thru the 1st equation by -2 to get: \n" ); document.write( "-2x-10y = -20 \n" ); document.write( "--------- \n" ); document.write( "Subtract that from the 2nd equation to get: \n" ); document.write( "0=0 \n" ); document.write( "----------- \n" ); document.write( "That means one of the equations is a multiple of the other. \n" ); document.write( "That means the system is \"dependent\". \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "Show your solution below: \n" ); document.write( "What is the solution for this system? \n" ); document.write( "the solution is the set of points on the line x + 5y = 10 \n" ); document.write( "--------------- \n" ); document.write( "What type of system is this? dependent \n" ); document.write( "------------- \n" ); document.write( " \n" ); document.write( " |