document.write( "Question 1063568: for parallelogram LMNO, If m < L = 4x-25 and m < N = 3x+18,find m < M
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\n" ); document.write( " 33
\n" ); document.write( " 147
\n" ); document.write( " 137
\n" ); document.write( " 43
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Algebra.Com's Answer #678741 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Angle L and angle N are opposite angles. With any parallelogram, opposite angles are congruent.\r
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\n" ); document.write( "\n" ); document.write( "angle L = angle N
\n" ); document.write( "4x-25 = 3x+18
\n" ); document.write( "4x-25+25 = 3x+18+25
\n" ); document.write( "4x = 3x+43
\n" ); document.write( "4x-3x = 3x+43-3x
\n" ); document.write( "x = 43\r
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\n" ); document.write( "\n" ); document.write( "Now that we know x = 43, we can figure out what angle L and what angle N are equal to (in terms of degrees)\r
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\n" ); document.write( "\n" ); document.write( "angle L = 4x-25
\n" ); document.write( "angle L = 4*43-25
\n" ); document.write( "angle L = 172-25
\n" ); document.write( "angle L = 147 degrees\r
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\n" ); document.write( "\n" ); document.write( "angle N = 3x+18
\n" ); document.write( "angle N = 3*43+18
\n" ); document.write( "angle N = 129+18
\n" ); document.write( "angle N = 147 degrees\r
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\n" ); document.write( "\n" ); document.write( "Angle M is adjacent to angle L. Adjacent angles in parallelograms are supplementary. This means that they add to 180 degrees\r
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\n" ); document.write( "\n" ); document.write( "(angle M) + (angle L) = 180
\n" ); document.write( "(angle M) + (147) = 180
\n" ); document.write( "angle M + 147-147 = 180-147
\n" ); document.write( "angle M = 33 degrees\r
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\n" ); document.write( "\n" ); document.write( "Final Answer: choice A) 33 degrees
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