document.write( "Question 969182: The equation x+(x+10)=90 is used to describe a pair of complementary Angles what is the value of x? \n" ); document.write( "
Algebra.Com's Answer #592109 by MathLover1(20855)\"\" \"About 
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\n" ); document.write( "by definition, Complementary Angles add up to \"90\"°.\r
\n" ); document.write( "\n" ); document.write( "if you are given \"x%2B%28x%2B10%29=90\" means one angle is \"x\" and its complement is \"x%2B10\"\r
\n" ); document.write( "\n" ); document.write( "so, we need to solve \"x%2B%28x%2B10%29=90\" for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%2Bx%2B10=90\"\r
\n" ); document.write( "\n" ); document.write( "\"2x=90-10\"\r
\n" ); document.write( "\n" ); document.write( "\"2x=80\"\r
\n" ); document.write( "\n" ); document.write( "\"x=80%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"x=40\"°.....one angle\r
\n" ); document.write( "\n" ); document.write( "\"x%2B10=40%2B10=50\"°....its complement\r
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