Answer:
x < -3
Step-by-step explanation:
2x - 3 < -9
Add 3 to each side
2x - 3+3 < -9+3
2x < -6
Divide by 2
2x/2 < -6/2
x < -3
/ symbol is used for division.
/ is same as ÷
Sometimes, fractions are shown as ratio, in which case, : symbol is used.
We can write the fraction

as 1/2 or 1÷2 or 1:2
Answer:
x = 0.8
Step-by-step explanation:
For this problem we will be using trigonometry :