document.write( "Question 194730: 1+3x=7x-7 \n" ); document.write( "

Algebra.Com's Answer #146092 by RAY100(1637) $\"\"$ $\"About$

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1+3x = 7x-7
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\n" ); document.write( "add 7 and substract 3x from both sides
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\n" ); document.write( "\n" ); document.write( "8=4x
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\n" ); document.write( "x=2
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\n" ); document.write( "1 +3(2) = 7(2) -7
\n" ); document.write( "7=7,,,,,,ok \n" ); document.write( "

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