SOLUTION: A pair of vertical angles have measures (2z+43)° and (−10z+25)° .
What is the value of z?
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Question 1068117: A pair of vertical angles have measures (2z+43)° and (−10z+25)° .
What is the value of z?
Found 2 solutions by Fombitz, Boreal:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Since they're vertical,
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
They are equal
2z+43=-10z+25; add 10z to both sides
12z=-18, subtracting 43 from both sides
z=-1.5
-3+43=15+25
They both equal 40 to check
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