document.write( "Question 706670: solve 18 = 1-3a\r
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Algebra.Com's Answer #435350 by checkley79(3341)\"\" \"About 
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18 = 1-3a
\n" ); document.write( "3a=-18+1
\n" ); document.write( "3a=-17
\n" ); document.write( "a=-17/3 ans.
\n" ); document.write( "Proof:
\n" ); document.write( "18=1-3(-17/3)
\n" ); document.write( "18=1+17
\n" ); document.write( "18=18
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