document.write( "Question 982968: I add 3 to the number, multiply the result by 2, I get the same as I add 13 to it.\r
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Algebra.Com's Answer #603762 by Edwin McCravy(20063)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I don't want to do your work for you, so Ill do one exactly like yours so you\r\n" );
document.write( "can do your own problem and use the one I do as a guide.  Yours is exactly\r\n" );
document.write( "like it.\r\n" );
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\n" ); document.write( "I add 6 to the number, multiply the result by 2, I get the same as when I add 19 to it.
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document.write( "I start with \r\n" );
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document.write( "N\r\n" );
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\n" ); document.write( "I add 6 to the number,
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document.write( "So I write + 6 after the N, now I have this:\r\n" );
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document.write( " N + 6\r\n" );
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\n" ); document.write( "multiply the result by 2,
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document.write( "Now before I can multiply that, since there are two terms, I must\r\n" );
document.write( "put parentheses around it, like this (N + 6), so that when I multiply\r\n" );
document.write( "it by 2, both terms will be multiplied by 2 and not just the N only.\r\n" );
document.write( "So now I have\r\n" );
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document.write( "2(N + 6)\r\n" );
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\n" ); document.write( "I get the same as
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document.write( "\"I get the same as\" means to put an equal sign after it because when\r\n" );
document.write( "things are the same they are equal:\r\n" );
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document.write( "2(N + 6) =\r\n" );
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\n" ); document.write( "when I add 19 to it.
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document.write( "Adding 19 to N was just like adding 6 to it.  We get N + 19. So you\r\n" );
document.write( "write N + 19 after the equal sign:\r\n" );
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document.write( "2(N + 6) = N + 19\r\n" );
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document.write( "Now that's an equation.  To solve it\r\n" );
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document.write( "Distribute to remove the parentheses:\r\n" );
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document.write( "2N + 12 = N + 19\r\n" );
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document.write( "Then I get rid of the + 12 on the left by adding -12 to both sides.\r\n" );
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document.write( "2N + 12 = N + 19\r\n" );
document.write( "    -12      -12\r\n" );
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document.write( "2N      = N +  7\r\n" );
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document.write( "Then I get rid of the N on the right side by adding -N to both sides:\r\n" );
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document.write( "     2N = N + 7\r\n" );
document.write( "     -N  -N\r\n" );
document.write( "     ----------\r\n" );
document.write( "      N =     7\r\n" );
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document.write( "The answer is 7.\r\n" );
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document.write( "Edwin
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