document.write( "Question 294032: 2x+9=4x-7. What is the value of x? \n" ); document.write( "
Algebra.Com's Answer #212135 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 2x+9=4x-7 \n" ); document.write( "2x-4x=-7-9 \n" ); document.write( "-2x=-16 \n" ); document.write( "x=-16/-2 \n" ); document.write( "x=8 ans. \n" ); document.write( "Proof: \n" ); document.write( "2*8+9=4*8-7 \n" ); document.write( "16+9=32-7 \n" ); document.write( "25=25 \n" ); document.write( " \n" ); document.write( " |