4 years ago

How do you find the value of X?

2 answers:

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]4 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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