document.write( "Question 788665: X+7-2x=18 \n" ); document.write( "

Algebra.Com's Answer #478567 by waynest(281) $\"\"$ $\"About$

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x - 2x + 7 = 18
\n" ); document.write( "-x + 7 = 18
\n" ); document.write( "-x + 7 - 7 = 18 -7
\n" ); document.write( "-x = 11
\n" ); document.write( "x = -11\r
\n" ); document.write( "\n" ); document.write( "check:
\n" ); document.write( "-11 + -2(-11) + 7 = 18
\n" ); document.write( "-11 + 22 + 7 = 18
\n" ); document.write( "-11 + 29 = 18
\n" ); document.write( "18 = 18 \n" ); document.write( "

\n" );