Answer:
x = -2
Step-by-step explanation:
2x + 7 = 3
Cancel the 7 by subtracting from both sides
2x + 7 - 7 = 3 - 7
2x = -4
2x / 2 = -4 / 2
x = -2
Answer: 2 cups
Step-by-step explanation: Olivia spends 4$ and nothing more. 1$ is her profit that can continue to gain and can be represented as 1x or x. x-4 is the equation to represent her profit. Nathan spends 5$ and 0.50$ is his profit which can be shown as 0.5x. 0.5x-5 is the equation to represent his profit.
Set those two equations equal to each other.
Isolate x. ![0.5x=-1](https://tex.z-dn.net/?f=0.5x%3D-1)
Solve for x. ![x=-2](https://tex.z-dn.net/?f=x%3D-2)
Since x represents the amount of cups sold, you cannot have a negative amount of cups sold. Therefore, Olivia and Nathan must sell 2 cups to make the same profit.
The ratio of circumference to diameter is the irrational constant named "pi." It is approximately 3.141592653589793238462643... and is sometimes approximated by 22/7.
Selection A.
<h2>A is the correct answer!</h2><h3></h3><h3>x: -7 <u>+ 2</u> = -5</h3><h3>y: -12 <u>+ 4</u> = -8</h3><h3></h3><h3>x: -5 <u>+ 2</u> = -3</h3><h3>y: -8 <u>+ 4 </u>= -4</h3><h3></h3><h3>That is enough information to get an answer.</h3><h3></h3><h3><em>Please let me know if I am wrong.</em></h3><h3 />