Question

What is the correct answer to this geometry question?

Answer 1

Explanation:

20 = 12 + 16 + 2x

20 - 12 - 16 = 2x

-8 = 2x

x = -4

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check

20 = 12 + 16 + 2*-4

20 = 20

the answer is good

Answer 2

HI + IJ = HJ

=> x + 12 + 16 + x = 20

<=> 2x + 28 = 20

<=> 2x = -8

<=> x = -4

with x = -4 => HI = - 4 + 12 = 8

Explanation: