Solving Equations | Isolating Variables and Understanding Key Math Terms

3+X+1=2

To solve the equation 3 + X + 1 = 2, we need to isolate the variable X

To solve the equation 3 + X + 1 = 2, we need to isolate the variable X.

First, let’s simplify the left side of the equation:
3 + X + 1 = 2
Combine like terms: 3 + 1 = 4
The equation now becomes: X + 4 = 2

Next, subtract 4 from both sides of the equation to isolate X:
X + 4 – 4 = 2 – 4
Simplify: X = -2

Therefore, the solution to the equation 3 + X + 1 = 2 is X = -2.

Now, let’s define some math-related terms:

1. Equation: In mathematics, an equation is a statement that asserts the equality of two expressions. It usually consists of variables, constants, and mathematical operations.

2. Variable: A variable is a symbol that represents an unknown quantity or a value that can change. Variables are essential for solving equations as they allow us to find the unknown values.

3. Isolate: In mathematics, isolating a variable means to rewrite an equation in a way that the variable appears alone on one side of the equation. This step helps us find the value of the variable by eliminating any other terms or constants that may be present.

More Answers: