Answer:
(1, -1)
Step-by-step explanation:
If you replace y and x with (1 and -1) you have -1 - 2^1 < -3
And that equals -3 if solved. The sign says equal to or less than, so you answer is (1, -1)
Answer:
thats it all of them are 69
The equation would be:
x - 9 < 4
Simplify (add 9)
Solution: x < 13