document.write( "Question 980602: I'm having trouble finding 2a+b given: a= <-3,4>, b=<2,5>, c= <3,-8>.
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Algebra.Com's Answer #601757 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Here's one exactly like yours with the numbers changed:\r\n" );
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\n" ); document.write( "Find 3a+b given: a= <-2,5>, b=<3,7>.
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document.write( "Substitute:\r\n" );
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document.write( "3   a   +   b\r\n" );
document.write( "|   |   |   |\r\n" );
document.write( "3<-2,5> + <3,7>\r\n" );
document.write( "<-6,15> + <3,7>\r\n" );
document.write( "    <-3,22> \r\n" );
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document.write( "Now do yours exactly the same way.\r\n" );
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document.write( "Edwin
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