document.write( "Question 896754: Given the perimeter P, find the missing measurement.
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\n" ); document.write( "One side of the triangle has a ? (because it wants you to find it), Another side has 3(x + 2) and the last side has 5x + 3. The perimeter of the triangle is P = 10x + 3.
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Algebra.Com's Answer #543730 by rothauserc(4718)\"\" \"About 
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a +3(x+2) +(5x+3) = 10x +3
\n" ); document.write( "a +3x+6 +5x+3 = 10x +3
\n" ); document.write( "a +8x +9 = 10x +3
\n" ); document.write( "a +6 = 2x
\n" ); document.write( "a = 2x -6
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