document.write( "Question 644663: solve the linear system by using substitution:\r
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document.write( "x=4y+14 , y=-3x+3 ? \n" );
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Algebra.Com's Answer #405197 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve the linear system by using substitution: \n" ); document.write( "x=4y+14 , y=-3x+3 ? \n" ); document.write( "Substitute for \"x\" and solve for \"y\": \n" ); document.write( "y = -3(4y+14)+3 \n" ); document.write( "y = -12y - 42 +3 \n" ); document.write( "13y = -39 \n" ); document.write( "y = -3 \n" ); document.write( "----- \n" ); document.write( "Solve for \"x\": \n" ); document.write( "x = 4y+14 \n" ); document.write( "x = 4*3+14 \n" ); document.write( "x = 26 \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |