document.write( "Question 27290: how to slove this 2x+4<10 \n" ); document.write( "
Algebra.Com's Answer #14820 by sdmmadam@yahoo.com(530)![]() ![]() ![]() You can put this solution on YOUR website! 2x + 4 < 10 \n" ); document.write( "2x < 10 - 4 (adding -4 to both the sides of the inequality or subracting 4 from both the sides of the inequality) \n" ); document.write( "2x < 6 \n" ); document.write( "which is on dividing by 2>0 \n" ); document.write( "x < 3 \n" ); document.write( "Note: Division or multiplication by a positive quantity does not alter the inequality. \n" ); document.write( "Verification: \n" ); document.write( "Give x = 3 which implies 2x + 4 = 10 which is not less than 10 \n" ); document.write( "Give x = something slightly more than 3 say x = 3.1 which gives \n" ); document.write( "2x + 4 = 2x3.1 +4 = 6.2 + 4 = 10.2 which is once again not less than 10 \n" ); document.write( "Thus x<3 alone will work. \n" ); document.write( " \n" ); document.write( " |