Solving Systems of Linear Equations
This is the problem, write it down first.
Step 1: Solve for one variable.
In this case I solved for X first as you can see in the example above.
Step 2: Solve for the second variable.
For my second variable I plugged in X and got the second variable Y.
Step 3: Write the solution.
In the picture above I plugged in X and Y .
Step 4: Check your solution.
The last step I plugged in and solved. My answer came out both the same.