To simplify 2x+3-x+5, we can first group x together,then calculate:

Therefore the answer is x-2.
Hope it helps!
Answer:
225
Step-by-step explanation:
x + y + z = 1305
x = 360
y = 360×2 = 720
z = 1305 - 360 - 720 = 225
<h3>
Answer: 1260 degrees</h3>
Explanation:
There are n = 9 sides to this polygon. Plug this value of n into the formula below to find the sum of the interior angles.
S = 180(n-2)
S = 180(9-2)
S = 180*7
S = 1260
Answer:
The Answer is B
Step-by-step explanation:
<span>Let x= measure of sides that have common length
then from "the third side measures 5m less than twice the common length."
2x-5= third side
.
Because they gave us the perimeter we have:
11 = x+x+2x-5</span><span>11 = 4x-5
16 = 4x
4 m = x
.
third side:
2x- 5 =2(4)-5 = 8-5= 3m</span>
Length answers:
4m, 4m, and 3m