3 years ago

What is my first step?

1 answer:

4 0

Well a line is equivalent to 180 degrees so you would have AB(9x-23) and BC(5x-11) added to equal 180.
9x-23+5x-11=180
you would then combine like terms
14x-34=180
14x=214
x=214/14
x=15.2857143
x=15.29

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