(15x+29)=(26x-4) whats value of x

What is the range for 31,39,29,34,37,24,36,33,34,28

Through non-collinear points there is exactly one plane.

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30