document.write( "Question 106911: solve each of the systme by using either addition or substitution. If a unique solution does not exist, state whethere the system is dependent or inconsistent:\r
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document.write( "10x+2y=7
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document.write( " y=-5x+3 \n" );
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Algebra.Com's Answer #77921 by elima(1433)![]() ![]() ![]() You can put this solution on YOUR website! 10x+2y=7 \n" ); document.write( "y=-5x+3 \n" ); document.write( "================== \n" ); document.write( "Lets go ahead and use substitution since we already have what y equals, so we will substitute y=-5x+3 in the other equation for y; \n" ); document.write( "10x+2(-5x+3)=7 \n" ); document.write( "10x-10x+6=7 \n" ); document.write( "6=7 \n" ); document.write( "Since both variables are eliminated, the system is inconsistent \n" ); document.write( ":) \n" ); document.write( " |