document.write( "Question 56829: I am struggling with this word problem, I would like some help on how to complete these type of problems. Here is the problem: If 4 times an interger is increased by 3, the result is between 13 and 25. What is the interger? Please help me. Thank you \n" ); document.write( "
Algebra.Com's Answer #38574 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! (4x+3)>=13 & <=25 \n" ); document.write( "4x+3=13 \n" ); document.write( "4x=13-3 \n" ); document.write( "4x=10 \n" ); document.write( "x=10/4 \n" ); document.write( "x=2.5 (3) \n" ); document.write( "4x+3=25 \n" ); document.write( "4x=25-3 \n" ); document.write( "4x=22 \n" ); document.write( "x=22/4 \n" ); document.write( "x=5.5 (5) \n" ); document.write( "therefore the unknown number is 3,4 or 5 \n" ); document.write( "proof \n" ); document.write( "4*3+3=12+3=15 \n" ); document.write( "4*4+3=16+3=19 \n" ); document.write( "4*5+3=20+3=23 \n" ); document.write( "all solution are intergers that satisfy the equation 3x+3>=13 & <=25. \n" ); document.write( " \n" ); document.write( " |