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Simplify each expression
5j+j
6d-3d
2a+4b+b+5a
12y-y-7y
20+8s-14+2c+s

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Alex

  1. You are able to combine any of the letters that are the same. For example, 5j + j = 6j. IF it has no variable (or letter) in front of it, you cannot combine it with anything that has a letter. For example, in your last problem, you can combine the 20 with the -14, the 8s with the 2s, but the c will remain by itself. You will have 6 + 9s + 2c for your answer. See if you can do the others by yourself.

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    msp

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