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Irina18 [472]
3 years ago
8

How do you find the value of X?

Mathematics
2 answers:
GenaCL600 [577]3 years ago
6 0
X + 10 + x + 20 = 180


2x + 30 = 180 


2x = 150


x = 75


A straight line is equal to 180 degrees so you set the equation equal to 180 and use algebra to solve for x. Hope this helps!
sammy [17]3 years ago
3 0

A straight line is equal to 180 degrees so you set the equation equal to 180 and use algebra to solve for x.

th answer is 180


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