Answer:
x=3
Step-by-step explanation:
2x+2=8
2x=6
x=3
Answer:
We have that:

And we want to find the value of g(4)
Then we are evaluating the function g(x) in x = 4, this means that we need to locate all the "x" in g(x), and replace them by 4.
If we do that, we get:

Now we can just solve this to get:

Let x equal a number
3x + 5 = 26
3x = 21
x = 7
the number is 7!
Answer is B
-0.6- (-0.4)= -0.6+0.4= -0.2