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3 x − (2 − x) + 1 or −5 + 4x + 4?

Guest Aug 18, 2016

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3 x − (2 − x) + 1

= 3x -2 + x +1

= 4x -1

= 2(2x) - 1

-5+ 4x +4

= 2(2x) - 1

Guest Aug 18, 2016

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