quations.
4.
(b) 9-
3 x = -7
Answers
Answered by
0
Answer:
Step-by-step explanation:
Add 77 to both sides.
3x=9+7
3x=9+7
2 Simplify 9+79+7 to 1616.
3x=16
3x=16
3 Divide both sides by 33.
x=\frac{16}{3}
x=
3
16
Answered by
0
Answer:
To find [f of g](x), you take g(x) and substitute it for x in f(x) to get:
[f of g](x) = 2(3x+b)+9
[g of f](x) is done the same way:
[g of f](x) = 3(2x+9)+b
Set them equal to each other and solve for b
2(3x+b)+9 = 3(2x+9)+b
6x+2b+9 = 6x+27+b
b=18
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