It would not be reasonable for Johnny to have a negative amount in the investment. This is because you cannot earn negative dollars. And he is not spending money in this case. Therefore, it is unreasonable for him to have a negative number for this situation.
Are you wanting to solve for x? If so:
4x + 7 = 35
We want to isolate the variable, so subtract 7 from both sides. You will get:
4x = 28
Now, divide each side by 4 to get X by alone. This will give you:
x = 7
I hope this helped.
Answer:
256
Step-by-step explanation:
8*4=32
32*8=256
Answer:
Step-by-step explanation:
5x + 4y = 20
You need to express y in terms of x.
isolate the y term
4y = -5x + 20
divide both sides by the coefficient of y
y = (-5/4)x + 5
f(x) = (-5/4)x + 5
Answer:
B.(-6,-1)
Step-by-step explanation: