I hope this helps you
(fog)(5)=f (g (5))=?
x= 5 g (5)=-4.5+3=-20+3=-17
f (g(5))=f (-17)=-2. (-17)-7
f (-17)=34-7
f (-17)=27
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
x+y = 67
2x-y = 38
Add the equations together
3x = 108
x = 36
y = 67-x = 31
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Ok so ax + 3b = 2f
If you take '3b' away from both sides,
This means that ax = 2f -3b
And so once you divide both sides by a, you get:
x = (2f-3b)/a
Hope this helped
