document.write( "Question 367768: using elimination to solve the system of equations\r
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document.write( "2x+y=-7
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document.write( "3x-y=-3\r
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document.write( "so how would i turn one of these equations into slope y=mx+b form? \n" );
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Algebra.Com's Answer #262137 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! using elimination to solve the system of equations \n" ); document.write( "2x+y=-7 \n" ); document.write( "3x-y=-3 \r \n" ); document.write( "\n" ); document.write( "----- \n" ); document.write( "Add the two equations to get: \n" ); document.write( "5x = -10 \n" ); document.write( "--- \n" ); document.write( "x = -2 \n" ); document.write( "--- \n" ); document.write( "Substitute and solve for \"y\": \n" ); document.write( "2(-2) + y = -7 \n" ); document.write( "y = -3 \n" ); document.write( "------- \n" ); document.write( "Slope-intercept form of each of the two equations: \n" ); document.write( "y = -2x-7 \n" ); document.write( "y = 3x+3 \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |