-5= -5x-10
Plus 10 from both sides
5=-5x
X = -1
Answer:
3
Step-by-step explanation:
Answer:
B I'm pretty sure
Step-by-step explanation:
Answer:
Solution 1: 1+1
Solution 2: 1-
Step-by-step explanation:
x^2-2=2x
x^2-2x-2=0
Use quadratic equation.
(-b+-
)/2a
(2+-
)/2
(2+-
)/2
(2+-
)/2
Solution 1: (2+2
)/2=1+1
Solution 2: 1-
28°
a triangle = 180°
180°-140°= 40°
180°-68°= 112°
180°-112°-40°= 28°