document.write( "Question 938425: How would I use the elimination method to solve this problem?
\n" ); document.write( "2a+b=3
\n" ); document.write( "-3a-2b=-1\r
\n" ); document.write( "\n" ); document.write( "This is what I have so far
\n" ); document.write( "I multiply the first equation by -3 and the second equation by 2\r
\n" ); document.write( "\n" ); document.write( "So, I would have -6a+-3b=-9
\n" ); document.write( "-6a-4b=-2\r
\n" ); document.write( "\n" ); document.write( "-6a+-3b=-9
\n" ); document.write( "-6a-4b=-2\r
\n" ); document.write( "\n" ); document.write( "Both -6a would cancel out
\n" ); document.write( "1b=11\r
\n" ); document.write( "\n" ); document.write( "I am confused, I think I am misisng a step.
\n" ); document.write( "

Algebra.Com's Answer #571694 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "\"2a%2Bb=3\"..........multiply by \"3\"
\n" ); document.write( "\"-3a-2b=-1\"..........multiply by \"2\"
\n" ); document.write( "___________________\r
\n" ); document.write( "\n" ); document.write( "\"6a%2B3b=9\"
\n" ); document.write( "\"-6a-4b=-2\"
\n" ); document.write( "___________________ add both\r
\n" ); document.write( "\n" ); document.write( "\"cross%286a%29%2B3b-cross%286a%29-4b=9-2\" ...Both \"6a\" and \"-6a\" would cancel out.\r
\n" ); document.write( "\n" ); document.write( "\"3b-4b=9-2\"\r
\n" ); document.write( "\n" ); document.write( "\"-b=7\"....we need positive \"b\"; so multiply both sides by \"-1\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28b=-7%29\"\r
\n" ); document.write( "\n" ); document.write( "go to the one of the given equations, substitute \"-7\" for \"b\" and solve for \"a\"\r
\n" ); document.write( "\n" ); document.write( "\"2a%2B%28-7%29=3\"\r
\n" ); document.write( "\n" ); document.write( "\"2a-7=3\"\r
\n" ); document.write( "\n" ); document.write( "\"2a=3%2B7\"\r
\n" ); document.write( "\n" ); document.write( "\"2a=10\"\r
\n" ); document.write( "\n" ); document.write( "\"a=10%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28a=5%29\"\r
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