Answer:
x = -4/5 or x = 2
Explanations:
The given equation is 3|3 - 5x| - 3 = 18
Note that the absolute vale of a, that is |a| can either be a or -a
Therefore | 3 - 5x| can either be (3 - 5x) or -(3 - 5x)
3|3 – 5x| - 3 = 18 can be:
3(3 - 5x) - 3 = 18
3(3 - 5x) = 18 + 3
3(3-5x) = 21
3 - 5x = 21 / 3
3 - 5x = 7
-5x = 7 - 3
-5x = 4
x = -4 / 5
It can also be written as:
-3(3 - 5x) - 3 = 18
-3(3 - 5x) = 18 + 3
-3(3 - 5x) = 21
3 - 5x = -21/3
3 - 5x = -7
- 5x = -7 - 3
-5x = -10
x = -10 / -5
x = 2