Answer:
4x - 2y = -8--------equation 1
y = 2x + 4
or, -2x+y=4---------equation 2
multiply equation 2 by 2 and solving equation 1and2 we get,
4x - 2y = -8
-4x+2y=8
---------------=
impossible
This is pretty simple once you get used to this
First set it equal to the original and the negative one
(>_) is the bigger and equal to part
4x+5>_45 or 4x+5>_-45
Then solve for x for both
4x>_40. 4x>_-50
X>_10 X>_-25/2
25/200 i AM SURE IT IS THIS ANSWER sorry caps lock
Hope this helps
Answer:
4 goals per hour.
Step-by-step explanation:
12 goals divided by 3 goals. Is 4 goals per hour.
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55+85=140
180-140=40
10x=40
divide by ten on each side
x=4
