document.write( "Question 619640: the perimeter of the triangle is 218 inches. Find the length of each. 2x inches, x inches, (6x-7) inches \n" ); document.write( "

Algebra.Com's Answer #389713 by dragonwalker(73) $\"\"$ $\"About$

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I assume each side is above so basically add each side together and that will equal 218 in then solve for x:\r
\n" ); document.write( "\n" ); document.write( "2x + x + 6x-7 = 218\r
\n" ); document.write( "\n" ); document.write( "rearrange so all X's on one side and numbers on the other. If you move one from one side of the = to the other side then change the sign so:\r
\n" ); document.write( "\n" ); document.write( "2x + x + 6x = 218 + 7
\n" ); document.write( "9x = 225\r
\n" ); document.write( "\n" ); document.write( "so divide both sides by 9 to find x:\r
\n" ); document.write( "\n" ); document.write( "9x/9 = 225/9
\n" ); document.write( "x = 25\r
\n" ); document.write( "\n" ); document.write( "so x = 25\r
\n" ); document.write( "\n" ); document.write( "Now we can find the value of each side.
\n" ); document.write( "First one was 2x so 2 times 25 = 50\r
\n" ); document.write( "\n" ); document.write( "The second one was x so is 25\r
\n" ); document.write( "\n" ); document.write( "The third was 6x-7 = 6(25) - 7
\n" ); document.write( " = 143\r
\n" ); document.write( "\n" ); document.write( "To check add the three sides together to see if they equal 218 so:\r
\n" ); document.write( "\n" ); document.write( "50 + 25 + 143 = 218!!! \n" ); document.write( "

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