document.write( "Question 250097: This says to collect like terms and I'm totally lost can you all help?
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Algebra.Com's Answer #182064 by Edwin McCravy(20056) $\"\"$ $\"About$

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This says to collect like terms and I'm totally lost can you all help?
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document.write( "I'll do some coloring:\r\n" );
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document.write( "12r+4s-6r-6s=?\r\n" );
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document.write( "The two red terms are like terms because they have the same letter r.\r\n" );
document.write( "They don't have the same coefficient, but they have the same letter,\r\n" );
document.write( "so they are considered like terms and they can be combined.\r\n" );
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document.write( "The two blue terms are like terms because they have the same letter s. \r\n" );
document.write( "They also don't have the same coefficient, but they have the same letter, \r\n" );
document.write( "so they are considered like terms and they can be combined.\r\n" );
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document.write( "To keep things straight, sometimes people rearrange the terms first\r\n" );
document.write( "so that they will be together, like this, where I have swapped the middle\r\n" );
document.write( "two terms:\r\n" );
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document.write( "12r-6r+4s-6s?\r\n" );
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document.write( "Then to combine the two red terms, we just combine their coefficients\r\n" );
document.write( "12-6 getting 6 and then put on the r, getting 6r.\r\n" );
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document.write( "To combine the two blue terms, we similarly combine their coefficients \r\n" );
document.write( "+4-6 getting -2 and then put on the s, getting -2s.\r\n" );
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document.write( "So the final answer is 6r-2s\r\n" );
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document.write( "Edwin

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