Hello!
To solve, we want to isolate the x on one side of the equation. We can use inverse operations to put numbers on the other side to find x.
First we undistribute our parentheses.
12x-66+15=21
We subtract 15 from both sides (it cancels out the 15 on the left side, making it 0).
12x-66=6
Now we add 66 to both sides, as -66+66=0
12x=72
Finally, we divide both sides by 12.
x=6
I hope this helps!
That's OK, but you have not said which variable you want to solve it for.
<u>To solve for 'x':</u>
<span>c + ax = dx
Subtract c from each side: ax = dx - c
Subtract dx from each side: ax - dx = -c
Factor the left side: x (a - d) = -c
Divide each side by (a - d) : x = -c / (a - d) or <u>x = c / (d - a)</u> .
</span><span><u>To solve for 'c': </u>
</span><span> c + ax = dx
Subtract ax from each side and factor: <u>c = x (d - a) </u>
</span><u>To solve for 'd': </u>
<span>c + ax = dx
Divide each side by 'x': d = c/x + a .
<u>To solve for 'a':</u>
</span><span><span> c + ax = dx</span>
Subtract 'c' from each side: ax = dx - c
Divide each side by 'x': <u>a = d - c/x </u>.
.</span>
Marginal anylasis is thinking at the margin or when right before you will make the choice
A.
producing another car
depends on how fast you can product, I don't think it is very fast, so no
B.
this is marginal thinking, you already have the pizza in front of you
c. same as A, not
D. you are already buying one
B and D
Answer:
Step-by-step explanation:
Given ⇒⇒⇒ a(x)=50-1.25x
a(x) be the amount of money remaining on Hillary's gift card.
x number of apps purchased on her phone
∴ a(12) = 50 - 1.25 * 12 = 35
Which mean : She have amount of total money = 50
she purchased 12 apps costs 12 *1.25 = 15 . So , she spent 15
The remaining on Hillary's gift card = 50 - 15 = 35
The correct answer is :
a(12) =35 .
This means that purchasing 12 apps , Hillary has $35 left
Only about 12 or 13 gb's are very small
