Question

In the diagram of parallelogram ABCD, if DB = 5x + 2 and ED = 4x - 8, what is EB?

Answer 1

5x+2−(4x−8)

Distribute the Negative Sign:

=5x + 2 + −1(4x−8)

=5x + 2 + −1(4x) + (−1)(−8)

=5x + 2 + −4x + 8

Combine Like Terms:

=5x + 2 + −4x + 8

=(5x + −4x) + (2+8)

=x + 10