document.write( "Question 652700: I need to solve the following inequality and i've tried everything but i can't seem to find an answer.
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document.write( "The problem says:
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document.write( "A number is less than one fourth the sum of three times the number and four.
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document.write( "x < 1/4 + 3x + 4 \n" );
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Algebra.Com's Answer #408086 by DrBeeee(684)![]() ![]() ![]() You can put this solution on YOUR website! The expession does not satify the statement,\"One fourth of ...\", it should be \n" ); document.write( "(1) x < (1/4)*(3x+4), where you multiply instead of add. Of means multiply. \n" ); document.write( "Now solve (1) for x. \n" ); document.write( "Multiply both sides by 4 and get \n" ); document.write( "(2) 4x < 3x + 4 or \n" ); document.write( "(3) x < 4 \n" ); document.write( "Let's check our answer using (1) and x = 4-d, where d is an incrementally small positive value (almost zero), such that d>0, making x < 4 \n" ); document.write( "Is (4-d < (1/4)*(3*(4-d) + 4)? \n" ); document.write( "Is (4-d < (1/4)*(12 - 3d +4)? \n" ); document.write( "Is (4-d < (1/4)*(16-3d)? \n" ); document.write( "Is (4-d < 4 - (3/4)d)? \n" ); document.write( "Is ( -d < -(3/4)d)? or, since d>0 \n" ); document.write( "Is ( -1 < -(3/4))? Yes. \n" ); document.write( "Answer: The real number x is less than 4. \n" ); document.write( " |