Answer:
To simplify the expression -3x + 6 - 3x - 24 + 2y, you can start by combining like terms.
-3x and -3x are both negative, so they can be combined to give -6x.
6 and -24 are both constants, so they can be combined to give -18.
So the simplified expression is: -6x - 18 + 2y
If you want to write the expression in standard form, you can rearrange the terms to give: 2y - 6x - 18
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