If ABCD is a parallelogram. A= 2x+10, B=70? . Find x

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Assuming your question is angle A = 2x + 10 and angle B = 70,
The adjacent angles of a parallelogram are supplementary. They add to 180.
So A + B = 180
2x + 80 = 180
2x = 100
x = 50

So x = 50
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