document.write( "Question 58525: solve the following system of linear equations and if possible express your answer as an ordered pair\r
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document.write( "y=2x+1
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document.write( "x+y=4 \n" );
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Algebra.Com's Answer #40203 by funmath(2933)![]() ![]() ![]() You can put this solution on YOUR website! solve the following system of linear equations and if possible express your answer as an ordered pair \n" ); document.write( ": \n" ); document.write( "This is the substitution method: \n" ); document.write( ": \n" ); document.write( "L1) y=2x+1 Substitute 2x+1 in for y in L2) and solve for x. \n" ); document.write( "L2) x+y=4 \n" ); document.write( ": \n" ); document.write( "x+(2x+1)=4 \n" ); document.write( "x+2x+1-1=4-1 \n" ); document.write( "3x=3 \n" ); document.write( "3x/3=3/3 \n" ); document.write( "x=1 This is the x-coordinate, substitute 1 in for x in L1) and solve for y: \n" ); document.write( ": \n" ); document.write( "y=2(1)+1 \n" ); document.write( "y=2+1 \n" ); document.write( "y=3 \n" ); document.write( "The answer is: (x,y)=(1,3) \n" ); document.write( "Happy Calculating!!! \n" ); document.write( " |