document.write( "Question 344755: If a*b=3a-6b+2, find (5*2)*7 \n" ); document.write( "
Algebra.Com's Answer #246675 by Edwin McCravy(20055)\"\" \"About 
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document.write( "a*b = 3*a - 6*b + 2, find (5*2)*7\r\n" );
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document.write( "First find (5*2) by substituting a=5 and b=2 in\r\n" );
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document.write( "a*b = 3*a - 6*b + 2\r\n" );
document.write( "5*2 = 3*5 - 6*2 + 2 \r\n" );
document.write( "5*2 =  15 -  12 + 2\r\n" );
document.write( "5*2 =         3 + 2\r\n" );
document.write( "5*2 =           5\r\n" );
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document.write( "Since 5*2 = 5,\r\n" );
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document.write( "     (5*2)*7  becomes \r\n" );
document.write( "         5*7\r\n" );
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document.write( "So we find 5*7 by substituting a=5 and b=7 in\r\n" );
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document.write( "a*b = 3*a - 6*b + 2\r\n" );
document.write( "5*7 = 3*5 - 6*7 + 2 \r\n" );
document.write( "5*7 =  15 -  42 + 2\r\n" );
document.write( "5*7 =       -27 + 2\r\n" );
document.write( "5*7 =         -25\r\n" );
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document.write( "Edwin

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