document.write( "Question 256602: 3(x-4)-4=5x+6.9-3x \n" ); document.write( "
Algebra.Com's Answer #188702 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 3(x-4)-4=5x+6.9-3x \n" ); document.write( "3x-12-4=2x+6.9 \n" ); document.write( "3x-16=2x+6.9 \n" ); document.write( "3x-2x=6.9+16 \n" ); document.write( "x=22.9 ans. \n" ); document.write( "Proof: \n" ); document.write( "3(22.9-4)-4=5*22.9+6.9-3*22.9 \n" ); document.write( "3*18.9-4=114.5+6.9-68.7 \n" ); document.write( "56.7-4=52.7 \n" ); document.write( "52.7=52.7 \n" ); document.write( " |