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Markpirvine · Answer 1 · 2019-09-02T01:50:48+0000

Since it is the midpoint we can say:
12x - 1 = 8x +11
All we have do to is get all the x's alone on one side

12x - 1 = 8x + 11
12x = 8x + 12 (add both sides by 1)
4x = 12 (subtract both sides by 8x)
x = 3 (divide both sides to get what x is)

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