What is the value of x?

60
180
70
50

X = 60

Step-by-step explanation:

Since these are vertical angles, they are equal to each other.

so we create the equation 3x - 10 = 170

Add 10 to each side to isolate the variable

3x - 10 = 170

+10         +10

3x = 180

divide each side by 3 to further isolate the variable

that leaves us with x = 60

this is the final answer, x = 60

step-by-step explanation:

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