Rearrange tiles on the board to represent equivalent expressions.
Which expressions are equivalent to 6 +(-x) + 2x + (-7)
+ 2x? Check all that apply.
Ox+ x + 6-7 + x
+
2x + 2 + x
O 3-X + 2x - 4 + 2x
-1-1-1-
DX-1
Ox+1
Board sum: 6 + (-x) + 2x + (-7) + 2x

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