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Katyanochek1 [597]
3 years ago
13

Explain please I’m stuck

Mathematics
1 answer:
melamori03 [73]3 years ago
3 0

FYI - the length of the mid-segment of a trapezoid is equal to half the sum of the lengths of its bases.

the equation:

18 + 6x - 12 = 2(2x + 10)

18 + 6x - 12 = 4x + 20

6 + 6x = 4x + 20

6x = 4x + 14

2x = 14

x = 7

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