Answer:
x=21-5x4
x=21-20
x=1
Step-by-step explanation:
Answer:
9n + 7
Step-by-step explanation:
Both A and D have 2 pairs of parallel sides
<h3>
Quadrilateral</h3>
A quadrilateral is a polygon with four sides and four angles. A parallelogram is a quadrilateral with two pairs of parallel sides.
A trapezoid is a quadrilateral with one pair of parallel side. A square is a quadrilateral with two pairs of parallel sides and all sides have the same measure.
Both A and D have 2 pairs of parallel sides
Find out more on Quadrilateral at: brainly.com/question/23935806
3(8-2x)
Distribute/Multiply 3 into 8 and -2x
3*8 - 3*2x
Final Answer: 24 - 6x