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Your value of z is 71 degrees. The value of x is 11.

Step-by-step explanation:

You can determine the value of z by knowing that z and the 71 angle are vertical angles. Vertical angles are congruent to each other. We know that the x angle and the 71 angle are supplementary, or that they equal 180. So, set up the equations, and solve for x. :

6

Step-by-step explanation:

The setup looks like this

X=the number

7X

Subrtact the 3 from 45

Now we need to get rid of the 7 on the left, so in order to do that, we divide seven from both sides

Now we have our answer