document.write( "Question 1089698: ∠1 and ∠2 are supplementary. If m∠1 = (3x - 17)° and m∠2 = (5x + 21)°. Find the value of x.
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Algebra.Com's Answer #704041 by rothauserc(4718)\"\" \"About 
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∠1 + ∠2 = 180
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\n" ); document.write( "(3x -17) + (5x +21) = 180
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\n" ); document.write( "8x +4 = 180
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\n" ); document.write( "8x = 184
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\n" ); document.write( "x = 23 degrees
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