document.write( "Question 129031: how do i solve 5i-(-15i) \n" ); document.write( "
Algebra.Com's Answer #95375 by cngriffith(27)\"\" \"About 
You can put this solution on YOUR website!
5i-(-15i)=20i\r
\n" ); document.write( "\n" ); document.write( "Two negative signes together without any number between them equals a positive sign. This problem becomes 5i+15i which equals 20i.
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