(2, -6)
Step-by-step explanation:
y = -2 - 2x
5x + 3 (-2-2x) = - 8
5x - 6 - 6x = - 8
-x - 6 = 8
- 6 + 8 = x
2 = x
x = 2
y = -2 -2x
y = -2 -2(2)
y = -2 -4
y = -6
(x, y) = (2, -6)
Divide botoh sides by 7
x-12=-3
add 12 to both sides
x+12-12=12-3
x+0=9
x=9
1. add 40 to the 40 and 25
2. now you have

3. then you have

4. then square root

5.then round answer to nearest tenth which is