document.write( "Question 832014: wxyz is a parallelogram. if m angel W=9x-3 degrees and m angel z= 3x+15 degrees. solve for x. thank you \n" ); document.write( "

Algebra.Com's Answer #501784 by jim_thompson5910(35256) $\"\"$ $\"About$

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W and Z are adjacent angles. So they are supplementary and add to 180 degrees.\r
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\n" ); document.write( "\n" ); document.write( "W + Z = 180\r
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\n" ); document.write( "\n" ); document.write( "9x - 3 + 3x + 15 = 180\r
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\n" ); document.write( "\n" ); document.write( "12x + 12 = 180\r
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\n" ); document.write( "\n" ); document.write( "12x = 180 - 12\r
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\n" ); document.write( "\n" ); document.write( "12x = 168\r
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\n" ); document.write( "\n" ); document.write( "x = 168/12\r
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\n" ); document.write( "\n" ); document.write( "x = 14\r
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