HELP I WILL GIVE BRAINIEST
1 answer:
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get rid of -2 by subtracting it from 21
Now you get your answer
Hope this helps! :)
Answer:
Step-by-step explanation:
For a shape to be a parallelogram, the angles that are across from one another have to be equal.
We can now find x by making both equations equal to each other and solving.
Solve.