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2a -a + 1 =
x + y + x + 2 =
2(x + 4) + 2x =
3x + 2(x - 2) =​

1 Answer

5 votes

Answer:

Explanation:

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2a -a + 1 = can be simplified to a + 1.

x + y + x + 2 = cannot be simplified.

2(x + 4) + 2x =

3x + 2(x - 2) =​ can be expanded and then simplified:

3x + 2x - 4 = 5x - 4

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