## 7+X+2=9+3

### To solve the equation 7 + x + 2 = 9 + 3, we need to isolate the variable x, which represents an unknown value

To solve the equation 7 + x + 2 = 9 + 3, we need to isolate the variable x, which represents an unknown value.

Step 1: Combine like terms on both sides of the equation. On the left side, 7 and 2 can be combined to give us 9.

9 + x = 9 + 3

Step 2: Simplify further. 9 + 3 equals 12.

9 + x = 12

Step 3: To isolate x, we need to cancel out the 9 on the left side. We can do this by subtracting 9 from both sides.

9 – 9 + x = 12 – 9

The left side simplifies to just x.

x = 3

Therefore, the solution to the equation 7 + x + 2 = 9 + 3 is x = 3.

Definition of “equation”:

In mathematics, an equation represents a statement that two mathematical expressions are equal. It consists of an equals sign “=” separating the expressions on either side. Solving an equation involves finding the value or values of the variables that make the equation true.

Definition of “variables”:

In mathematics, a variable is a symbol that represents an unknown or changing quantity. It can stand for any value within a certain range or set. Variables are often denoted by letters such as x, y, or z and are used in equations and formulas to represent unknown values that need to be determined or solved for.

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