document.write( "Question 690031: I am doing the substitution of equations method. y=5-4x,2x-3y=13. When I rewrite as 5-4x+2x-3y=13.Would I first have to subtract 5 from 4x before mulitiplying the x's. \n" ); document.write( "
Algebra.Com's Answer #426130 by stanbon(75887) ![]() You can put this solution on YOUR website! y=5-4x \n" ); document.write( "2x-3y=13 \n" ); document.write( "----------- \n" ); document.write( "Substitute for \"y\" and solve for \"x\": \n" ); document.write( "2x -3(5-4x) = 13 \n" ); document.write( "2x - 15 + 12x = 13 \n" ); document.write( "14x = 28 \n" ); document.write( "x = 2 \n" ); document.write( "------- \n" ); document.write( "Solve for \"y\" using y = 5-4x \n" ); document.write( "y = 5 - 4*2 \n" ); document.write( "y = -3 \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |