1 answer:
Answer:
x = 50 and y = 33.333... or 100/3
Step-by-step explanation:
The angles of a parallelogram add to 360 degrees. Opposite angles are also equal. Using these two facts write two equations.
2x + 2x + x + 30 + x+30 = 360
6x + 60 = 360
6x = 300
x=50
Now you can write the equation 3y-20 = x + 30 and substitute x = 50 into it.
3y - 20 = 50 + 30
3y - 20 = 80
3y = 100
y = 100/3 = 33.333...
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