document.write( "Question 1116878: Two angles are complementary. The measure of ∠ABC is x° and the measure of ∠DBC is (3x + 10)°. What is the value of x? \n" ); document.write( "
Algebra.Com's Answer #731780 by josgarithmetic(39623)\"\" \"About 
You can put this solution on YOUR website!
If those two are the complementary angles then \"x%2B%283x%2B10%29=90\". You can solve for x. \n" ); document.write( "
\n" );