Question

Solve.
...

IxI - 4 = 3

Answer 1

the answers would be x = 7 or x = -7
because |x|-4=3
you would add for to both sides
|x|-4+4=3+4
-4+4 = 0
so you would be left with |x| = 7
since it is absolute value it would be positive and negative 7