document.write( "Question 197508: check whether the given number is a solution of the equation
\n" ); document.write( "7-2x=15;-4
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Algebra.Com's Answer #148111 by checkley77(12844)\"\" \"About 
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7-2x=15;-4
\n" ); document.write( "7-2*-4=15
\n" ); document.write( "7+8=15
\n" ); document.write( "15=15
\n" ); document.write( "YES: -4 is a solution.
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