Answer:14,000,000,000
Step-by-step explanation: all u have to do i 7+7 then add your zeros so
- the type of pair is vertical angle.
- to find x:
-- vertical angles are equal.
4x + 10 = 5x - 1
10 = x - 1
x = 11
Answer:

Step-by-step explanation:

We'll combine the
and the
on the right side.

Now, we'll subtract
from both sides.

Divide both sides by
.

Ta-da!