document.write( "Question 468412: If 3a + 4b=b which of the following must equal 6a + 6b?
\n" ); document.write( "(a). 0
\n" ); document.write( "(b). 12
\n" ); document.write( "(c) 12b
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Algebra.Com's Answer #321398 by nerdybill(7384)\"\" \"About 
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3a + 4b=b
\n" ); document.write( "subtracting b from both sides:
\n" ); document.write( "3a + 3b=0
\n" ); document.write( "multiplying both sides by 2:
\n" ); document.write( "6a + 6b=0
\n" ); document.write( ".
\n" ); document.write( "Answer: 'a'
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