4x - 12
You can get this by switch the f(x) and the x and then solving for the new f(x)
Answer:
2x club member ticket = 1x non-club member ticket
- 5 + -3 = -8
hope this helps
when a negative number adds a negative number, it will be negative
when a negative number adds a positive number, whichever number (either positive or negative) take the sign of the bigger one
For example:
-4 + 3 = -1
-5 + 10 = 5
hope this helps
His mistake was on step 1
