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2 years ago

Can someone help me solve for x and show the work please

Mathematics

1 answer:

Elden [556K]2 years ago

7 0

Answer:

D. -10

Step-by-step explanation:

The sum of a triangle = 180°, therefore,

64° + 63° + x + 63 = 180°

Add like terms

x + 190° = 180°

Subtract 190 from each side

x + 190 - 190 = 180 - 190

x = -10

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