ABS(2x + y) - ABS(x + 3y) = 8
ABS = absolute value
I need to know where to start
When dealing with absolute value, you have to be aware of the folling fact-that So, therefore can have 2 different values, but the corresponding value of , or will have only one. So knowing that....
We've got to set up different possibilities for the given expressions.
and .
So, with this, can you take it from here?