23 - (x) - 7 > ?
First: Multiply the number -1 from your sides to get the rest result for this set
Now, flip the inequality sign because we were multiplying from the negative number
(hint: -1)
Second, we have to add 30 to get the result from this set (as Well)
x - 30 < ?
Then, x becomes a negative; keep in mind we have keep 30 as a positive
➡-x + 30.0 > ? ⬅
Finally, we get to your result
Your answer: x < 30