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)![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " |