Step-by-step explanation:
<u>Use distributive property:</u>
3x+6=4x+4
<u>Eliminate one variable:</u>
Subtract 3x from both sides.
6=x+4
<u>Subtract 4 from both sides:</u>
2=x.
B is correct.
Answer:
ur welcome
- spongebob
5k - 2
To evaluate f(2 - k), substitute x = 2 - k into f(x), that is
f(2 - k) = 8 - 5(2 - k) = 8 - 10 + 5k = 5k - 2