How do you solve this ? (4-2i) - (-1 +3i)

As soon as look at the parallelogram abcd shown below: the table below shows the steps to prove that if the quadrilateral abcd is a parallelogram, then its opposite sides are congruent: which choice completes the missing information for reason 5 in the chart? (6 points) congruent parallelograms congruent triangles similar angles similar triangles

Will give brainliest what is the value of x? enter your answer in the box.

What is the value of x in the equation 2(x-4) = 4(2x + 1)?