document.write( "Question 993400: 1) Twice a number increased by 12 is equal 31 less then three times the number. Find the number\r
\n" ); document.write( "\n" ); document.write( "2) 8-2 times a number is equal to the number plus 17. Find the number.\r
\n" ); document.write( "\n" ); document.write( "3) The perimeter of a rectangle is 24in. Find the dimensions if its length is 3in greater than its width.\r
\n" ); document.write( "\n" ); document.write( "4) 1/5th of a number plus 5 times that number is equal to seven times the number less 18. Find the number\r
\n" ); document.write( "\n" ); document.write( "5) The perimeter of a rectangle is 12. The lenght is 2 more than twice its width. Find the dimensions of the rectangle
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Algebra.Com's Answer #612680 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "1).
\n" ); document.write( "2x+12=3x-31
\n" ); document.write( "43=x
\n" ); document.write( ".
\n" ); document.write( "2).
\n" ); document.write( "8-2x=x+17
\n" ); document.write( "-9=3x
\n" ); document.write( "-3=x
\n" ); document.write( ".
\n" ); document.write( "3).
\n" ); document.write( "W=width; L=length=W+3
\n" ); document.write( ".
\n" ); document.write( "P=2(L+W)
\n" ); document.write( "24=2((W+3)+W)
\n" ); document.write( "12=2W+3
\n" ); document.write( "9=2
\n" ); document.write( "4.5=W ANSWER 1: The width is 4.5 inches
\n" ); document.write( "L=W+3=4.5+3=7.5 ANSWER 2: The length is 7.5 inches.
\n" ); document.write( ".
\n" ); document.write( "CHECK:
\n" ); document.write( "P=2(L+W)
\n" ); document.write( "24in=2(7.5in+4.5in)
\n" ); document.write( "24in=2(12in)
\n" ); document.write( "24in=24in
\n" ); document.write( ".
\n" ); document.write( "4).
\n" ); document.write( "x/5+5x=7x-18
\n" ); document.write( "x/5+25x/5=7x-18
\n" ); document.write( "26x/5=7x-18
\n" ); document.write( "5.2x=7x-18
\n" ); document.write( "18=1.8x
\n" ); document.write( "10=x
\n" ); document.write( "ANSWER: The number is 10.
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\n" ); document.write( "CHECK:
\n" ); document.write( "x/5+5x=7x-18
\n" ); document.write( "(10/5)+5(10)=7(10)-18
\n" ); document.write( "2+50=70-18
\n" ); document.write( "52=52
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\n" ); document.write( "IN THE FUTURE, PLEASE LIMIT TO ONE QUESTION PER POST.
\n" ); document.write( "Otherwise, it seems like you are just dumping your
\n" ); document.write( "homework here without trying. \r
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