document.write( "Question 948335: Solve the following system of equations using any algebraic method
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document.write( "y=-3x+5
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document.write( "2x+y=6 \n" );
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Algebra.Com's Answer #578828 by macston(5194)![]() ![]() You can put this solution on YOUR website! y=-3x+5 \n" ); document.write( "2x+y=6 Substitute for y \n" ); document.write( "2x+(-3x+5)=6 \n" ); document.write( "-x+5=6 Subtract 5 from each side. \n" ); document.write( "-x=1 Divide by -1 \n" ); document.write( "x=-1 ANSWER 1: x=-1 \n" ); document.write( "Using this, back solve equation 1 for y. \n" ); document.write( "y=-3x+5 \n" ); document.write( "y=-3(-1)+5 \n" ); document.write( "y=3+5=8 ANSWER 2: y=8 \n" ); document.write( "CHECK: \n" ); document.write( "Use second equation: \n" ); document.write( "2x+y=6 \n" ); document.write( "2(-1)+8=6 \n" ); document.write( "-2+8=6 \n" ); document.write( "6=6 \n" ); document.write( " |