document.write( "Question 1091430: Find the difference.
\n" ); document.write( "(2y - 7) - (-8y - 15) \n" ); document.write( "

Algebra.Com's Answer #705827 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+%28+2y+-+7+%29+-%28+-8y+-+15+%29+\"$
\n" ); document.write( " $\"+2y+-+7+-%28-8y%29+-%28-15%29+\"$
\n" ); document.write( " $\"+2y+-+7+%2B+8y+%2B+15+\"$
\n" ); document.write( " $\"+10y+%2B+8+\"$
\n" ); document.write( "---------------------------
\n" ); document.write( "check:
\n" ); document.write( "Suppose $\"+y+=+5+\"$
\n" ); document.write( " $\"+%28+2%2A5+-+7+%29+-%28+-8%2A5+-+15+%29+\"$
\n" ); document.write( " $\"+%28+10+-+7+%29+-%28+-40+-+15+%29+\"$
\n" ); document.write( " $\"+3+-+%28+-55+%29+\"$
\n" ); document.write( " $\"+3+%2B+55+=+58+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+10y+%2B+8+=+10%2A5+%2B+8+\"$
\n" ); document.write( " $\"+50+%2B+8+=+58+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

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