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09-04-2021
Mathematics

contestada

Find the value of x.

Find the value of x class=

Respuesta :

09-04-2021

Answer:

x = -7

Step-by-step explanation:

All triangle angles add up to 180

84 + x + 59 + x + 51 = 180

2x + 194 = 180

2x = 180 - 194

2x = -14

x = -7

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