Makeup two equations, one that is true and one that is false. Do not state which equation is true and which is false. Your classmates will have to determine which is which.

Create an example of an open equation that uses the variable x and would require two or more steps to solve. Your classmates will have to determine which value of x makes the equation true.

but i cant spell

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3x+7=16

it means find if the equation if its correct or not

Equation 1: 5 + 3 = 9

Equation 2: 2 x 6 = 13

Open equation: 4x + 7 = 31

Sure! Here are two equations, one that is true and one that is false:

Equation 1: 5 + 3 = 10
Equation 2: 2 * 4 = 9

To determine which equation is true and which is false, your classmates would need to substitute the values on either side of the equation and see if they are equal or not. For Example 1, they would calculate 5 + 3 = 8, which is not equal to 10, so Equation 1 is false. In Example 2, they would calculate 2 * 4 = 8, which is equal to 9, so Equation 2 is false.

Now, let's move on to an example of an open equation that uses the variable "x" and requires multiple steps to solve. Here's an example:

Equation: 2x + 5 = 15

To solve this equation, your classmates would follow these steps:

Step 1: Subtract 5 from both sides of the equation:
2x + 5 - 5 = 15 - 5
2x = 10

Step 2: Divide both sides of the equation by 2 to isolate the variable x:
(2x) / 2 = 10 / 2
x = 5

To determine which value of x makes the equation true, your classmates would substitute x = 5 back into the equation and check if both sides are equal. In this case, substituting x = 5 would give:

2(5) + 5 = 15
10 + 5 = 15
15 = 15

Since both sides of the equation are equal, x = 5 is the value that makes the equation true.