That quadrilateral is a parallelogram. Parallelograms have 4 sides and the opposites side are parallel to each other.
Answer:
x = 3, the error is that the -2x should be added.
Step-by-step explanation:
The -2x should be added to the left side.
3x - 7 = -2x + 8
3x + 2x = 8 + 7
5x = 15
x =3
Answer lest edited 3:11 PM Central, 11/24/2020
we have given that
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we need to express this interms of power of x .
we know that
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in place of n we have 2 .so
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so this will be the expression interms of power of x .