document.write( "Question 496904: Im really confused on this problem (90-x)-x=180 \n" ); document.write( "
Algebra.Com's Answer #336606 by Alan3354(69443)\"\" \"About 
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(90-x)-x=180
\n" ); document.write( "90-x-x=180
\n" ); document.write( "90 - 2x = 180
\n" ); document.write( "-2x = 90
\n" ); document.write( "x = -45
\n" ); document.write( "
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