document.write( "Question 1068153: suppose angle a is a complement of angle b. Find the value of x, angle a and angle b is angle a= 7x + 9 and angle b= 4x + 9 \n" ); document.write( "
Algebra.Com's Answer #683316 by Boreal(15235)\"\" \"About 
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Complements add to 90
\n" ); document.write( "7x+9+4x+9=90
\n" ); document.write( "11x=72
\n" ); document.write( "x=(72/11) degrees (about 6.55)
\n" ); document.write( "7x=504/11
\n" ); document.write( "9=99/11
\n" ); document.write( "Angle a=603/11 or 54.82 degrees
\n" ); document.write( "-------------
\n" ); document.write( "Angle b=288/11 +99/11 or 35.18 degrees
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