Y = 10 - 2x
x = y - 4
How do you solve this system using substitution?
2 answers:
Answer:
im not sure what answer you are trying to find but i hope this helped
Step-by-step explanation:
y = 10 - 2x
x = y - 4
(input x)
y = 10 - 2(y - 4)
y = 10 - 2y + 8
3y = 10 + 8
3y = 18
y = 6
Y=10-2(y-4) and you would get
Y=10-2y-4y
Y=10-(-2y)
Y=10+2y
Y=-10
Now plug -10 in
I’m pretty sure it’s right :)
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