document.write( "Question 513307: so there is a triangle. The perimeter = 29 units all together! one of the sides is 4 units longer than the 1st side, and the third side is 3 times longer than the other side. So you would have to solve for x! \n" ); document.write( "
Algebra.Com's Answer #343003 by ankor@dixie-net.com(22740)\"\" \"About 
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so there is a triangle. The perimeter = 29 units all together! one of the sides is 4 units longer than the 1st side, and the third side is 3 times longer than the other side. So you would have to solve for x!
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\n" ); document.write( "Let x = the 1st side
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\n" ); document.write( "\"one of the sides is 4 units longer than the 1st side,\"
\n" ); document.write( "(x+4) = the other side
\n" ); document.write( ":
\n" ); document.write( "\"the third side is 3 times longer than the other side.\"
\n" ); document.write( "3(x+4) = the third side
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\n" ); document.write( "x + (x+4) + 3(x+4) = 29
\n" ); document.write( "x + x + 4 + 3x + 12 = 29
\n" ); document.write( "5x + 16 = 29
\n" ); document.write( "5x = 29 - 16
\n" ); document.write( "5x = 13
\n" ); document.write( "x = \"13%2F5\"
\n" ); document.write( "x = 2.6\r
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