Thread: Solving Systems With Three Variables

The sum of three numbers is 23. The first number is equal to twice the second number minus 7. The third number is equal to one more than the sum of the first and second numbers. What is the first number?

Please show work, and explain how you came up with your answer! Thanks in advance!

Originally Posted by Courtx33333

The sum of three numbers is 23. The first number is equal to twice the second number minus 7. The third number is equal to one more than the sum of the first and second numbers. What is the first number?

Please show work, and explain how you came up with your answer! Thanks in advance!

By all means YOU show some work.
This is not a homework service!