document.write( "Question 201708: find angle A if it supplements angle B which is equal to 70-x. \n" ); document.write( "
Algebra.Com's Answer #151950 by nerdybill(7384)\"\" \"About 
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find angle A if it supplements angle B which is equal to 70-x.
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\n" ); document.write( "First, you must realize that if two angles are supplementary, the sum of the two angles equals 180 degrees.
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\n" ); document.write( "Angle B + Angle A = 180
\n" ); document.write( "Angle A = 180 - Angle B
\n" ); document.write( "Angle A = 180 - (70-x)
\n" ); document.write( "Angle A = 180 - 70 + x
\n" ); document.write( "Angle A = 110 + x (this is what they're looking for)\r
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