Which pair shows equivalent expressions?

2 (two-fifths x + 2) = 2 and two-fifths x + 1

2 (two-fifths x + 2) = four-fifths x + 4

2 (two-fifths x + 4) = Four-fifths x + 2

2 (two-fifths x + 4) = 2 and two-fifths x + 8

Draw to show regrouping

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