Juliana568 Juliana568

04-08-2018
Mathematics

contestada

Solve for X

An explanation would be nice.

Solve for XAn explanation would be nice class=

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Аноним Аноним

04-08-2018

All angles in a triangle add up to 180.

7x - 4 + 5x + 8 + 90 = 180

Simplify.

12x + 94 = 180

12x = 86

x = 86/12 or 43/6 (7 1/6)

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