Answer:
The correct answer would be the first option
Step-by-step explanation:
Answer:
X = 5
Y = 2
Step-by-step explanation:
y=2x-8
x-4(2x-8)=-3 -> x-8x+32=-3 -> -7x = -35 -> x=-35/-7 = 5
x=5 -> y=2x-8 -> y=2(5)-8=2
<span>x in (-oo:+oo)
(x+20)/2 = 3*x // - 3*x
(x+20)/2-(3*x) = 0
(x+20)/2-3*x = 0
(x+20)/2+(-3*2*x)/2 = 0
x-3*2*x+20 = 0
20-5*x = 0
(20-5*x)/2 = 0
(20-5*x)/2 = 0 // * 2
20-5*x = 0
20-5*x = 0 // - 20
-5*x = -20 // : -5
x = -20/(-5)
x = 4 so x= 4</span>
Answer:
second option
Step-by-step explanation:
I'm not sure how to explain but if you really need an explanation please message me
You plug in -3 for x The answer is x=-12
