document.write( "Question 592781: 3x+75 + x + y = 180
\n" ); document.write( "the x and the y are supposed to help me find the area of a square.
\n" ); document.write( "2x + 15 and y are the sides of the square.
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Algebra.Com's Answer #376065 by scott8148(6628)\"\" \"About 
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the sides of a square are equal; so, 2x + 15 = y\r
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\n" ); document.write( "\n" ); document.write( "substituting ___ 3x + 75 + x + 2x + 15 = 180\r
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\n" ); document.write( "\n" ); document.write( "solve for x, then substitute back to find y
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