You can use substitution here. First, get y alone:
14x + y = -4
subtract 14x from each side
y = -4 - 14x
Then, plug y into the second equation
-4 - 14x = 3x² - 11x - 4
then solve from there
Hope this helps :)
Answer:
x=6
Step-by-step explanation:
AB=BC
3x+3=2x+9
x=6
Answer:
5
Step-by-step explanation:
if u add al of these it equals 35 divided by 7 equals 5
If the question was -20.48 divided by -4 then the answer is 5.12
Answer:
7 hours
Step-by-step explanation:
120 x 7 = 840