Posted by LIza on .
How do you solve [x1]=[x+3]

Math, not "9th grade" 
Writeacher,
Assistance needed.

9th grade 
Reiny,
If these are standard brackets like (
there is no solution to your equation.
If they are absolute value signs, then one
solution would come from
x1 = x3
2x = 2
x = 1