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3 years ago

Solve for x solve for x

Mathematics

2 answers:

sergij07 [2.7K]3 years ago

5 0

Answer:

its 18

Step-by-step explanation:

Bingel [31]3 years ago

3 0

Answer:

x = 18

Step-by-step explanation:

Total interior angle of pentagon: 540 degrees

(3x + 23) + (9x - 6) + 95 + 90 + (7x - 4) = 540

19x + 23 - 6 + 95 + 90 - 4 = 540

19x + 17 + 95 + 90 - 4 = 540

19x + 13 + 185 = 540

19x + 198 = 540

19x = 342

x = 18

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