Mathematics, 22.01.2020 19:31, sman091305

which expressions are equivalent to 6 +(–x) + 2x + (–7) + 2x? check all that apply.
x + x + 6 – 7 + x
2x + 2 + x
3 – x + 2x – 4 + 2x
x – 1
x + 1

Answers: 1

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which expressions are equivalent to 6 +(–x) + 2x + (–7) + 2x? check all that apply.
x + x + 6...