document.write( "Question 8371: what is -3 + 2b =-9
\n" ); document.write( "Add 3 to both sides:
\n" ); document.write( "3 + -3 +2b = -9 + 3
\n" ); document.write( "That cancels the 3's on the one side and you get 2b by itself.
\n" ); document.write( "2b = -9 + 3
\n" ); document.write( "2b = -6
\n" ); document.write( "Divide both sides by 2, so you can have the b by itself
\n" ); document.write( "2b/2 = -6/2
\n" ); document.write( "b = -3\r
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Algebra.Com's Answer #4624 by elima(1433)\"\" \"About 
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what is -3 + 2b =-9
\n" ); document.write( "Add 3 to both sides:
\n" ); document.write( "3 + -3 +2b = -9 + 3
\n" ); document.write( "That cancels the 3's on the one side and you get 2b by itself.
\n" ); document.write( "2b = -9 + 3
\n" ); document.write( "2b = -6
\n" ); document.write( "Divide both sides by 2, so you can have the b by itself
\n" ); document.write( "2b/2 = -6/2
\n" ); document.write( "b = -3
\n" ); document.write( "Check:
\n" ); document.write( "-3 + 2(-3) = -9
\n" ); document.write( "-3 + -6 = -9
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