document.write( "Question 241984: 3(x-3)+4(x+1)= -12 \n" ); document.write( "
Algebra.Com's Answer #177164 by checkley77(12844)\"\" \"About 
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3(x-3)+4(x+1)= -12
\n" ); document.write( "3X-9+4X+4=-12
\n" ); document.write( "7X=-12+9-4
\n" ); document.write( "7X=-7
\n" ); document.write( "X=-7/7
\n" ); document.write( "X=-1 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "3(-1-3)+4(-1+1)=12
\n" ); document.write( "3*-4+0=-12
\n" ); document.write( "-12=-12
\n" ); document.write( "
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