Questions: The sum of two numbers is -3. The difference of the two numbers is -11. What are the two numbers?
The first number =
The second number =
Transcript text: The sum of two numbers is -3 . The difference of the two numbers is -11 . What are the two numbers?
The first number $=$ $\square$
The second number $=$ $\square$
Solution
Solution Steps
To solve the problem of finding two numbers given their sum and difference, we can set up a system of linear equations. Let the two numbers be \( x \) and \( y \). We have the following equations based on the problem statement:
\( x + y = -3 \)
\( x - y = -11 \)
We can solve this system of equations using substitution or elimination methods. Here, we'll use the elimination method to find the values of \( x \) and \( y \).
Step 1: Set Up the System of Equations
We are given two conditions:
The sum of two numbers is \(-3\):
\[
x + y = -3
\]
The difference of the two numbers is \(-11\):
\[
x - y = -11
\]
Step 2: Solve the System of Equations
To solve the system, we can use the elimination method. Adding the two equations:
\[
(x + y) + (x - y) = -3 + (-11)
\]
\[
2x = -14
\]
\[
x = -7
\]
Next, substitute \( x = -7 \) back into the first equation:
\[
-7 + y = -3
\]
\[
y = -3 + 7
\]
\[
y = 4
\]
Final Answer
The two numbers are:
\[
\boxed{x = -7}
\]
\[
\boxed{y = 4}
\]