document.write( "Question 1064479: A and B are complementary angles. The measure of A is (3x)° and the measure of B is 45°. What is the value of X? \n" ); document.write( "
Algebra.Com's Answer #679541 by Fombitz(32388)\"\" \"About 
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\"A%2BB=90\"
\n" ); document.write( "\"3x%2B45=90\"
\n" ); document.write( "\"3x=45\"
\n" ); document.write( "\"x=15\"
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