Simple....
3x-10(x+2)=13-7x
Just solve for x.....
3x-10x-20=13-7x
-7x-20=13-7x
+7x +7x
-20=13
NO SOLUTION.
Thus, your answer.
Answer:

Step-by-step explanation:
Use the Pythagorean theorem. 
a and b are the two side lengths
c is the hypotenuse (value across from the right angle)
Plug in the values that you are given.

Solve for x


x=

40 / 8 =5. 5 * % = **25 Miles**
Answer:82
Step-by-step explanation: the patch of grass is a 2 by 2 first find the area which is 4
then find the area of the garden forget the grass patch for now 8 x 11= 88 now 88 - 4 = 82ft