document.write( "Question 30367: please help me solve this equation4(1-3x)+7x=9
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Algebra.Com's Answer #17061 by checkley71(8403)\"\" \"About 
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4(1-3x)+7x=9 or 4-12x+7x=9 or -5x=5 or x=-1\r
\n" ); document.write( "\n" ); document.write( "proof: 4(1-3(-1))+7(-1)=9 or 4(1+3)-7=9 or 4(4)-7=9 or 16-7=9 or 9=9.
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