document.write( "Question 104315: i need help on these questions i cant find out what i have done wrong i need help on 16 which is 4x+3-2x=2x+7,18 which is 3(x+1)=2x+7 \n" ); document.write( "
Algebra.Com's Answer #75900 by stanbon(75887)\"\" \"About 
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4x+3-2x=2x+7
\n" ); document.write( "2x + 3 = 2x+7
\n" ); document.write( "Subtract 2x from both sides to get:
\n" ); document.write( "3 = 7
\n" ); document.write( "That is a contradiction. There are no
\n" ); document.write( "solutions to your equation.
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\n" ); document.write( "\n" ); document.write( " 3(x+1)=2x+7
\n" ); document.write( "3x+1 = 2x+7
\n" ); document.write( "x = 6
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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