document.write( "Question 497324: If m∠BGC=16x-4 and m∠CGD=2x+13, find the calue of x so that ∠BGD is a right angle. \n" ); document.write( "
Algebra.Com's Answer #336781 by cleomenius(959)\"\" \"About 
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16x - 4 + 2x + 13 = 90 degrees.
\n" ); document.write( "18x + 9 = 90 degrees.
\n" ); document.write( "18x = 81
\n" ); document.write( "x = 4.5
\n" ); document.write( "16(4.5) - 4 = 68 degrees.
\n" ); document.write( "2(4.5) + 13 = 22 degrees.
\n" ); document.write( "68 + 22 = 90 degrees. This does check.
\n" ); document.write( "Cleomenius.
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