ACT Math 7.4 Pre-Algebra
ACT Math: Pre-Algebra Drill 7, Problem 4. Solve for x.
One-Variable Equations and Inequalities
|Foreign Language||Arabic Subtitled|
|Pre-Algebra||Absolute value and ordering numbers by value|
Simple linear equations with one variable
|Product Type||ACT Math|
These vertical line thingies that look like prison bars, except you're the one
forced to solve this problem. Those numbers are free to come and go as they please.
The trick to this question is just remembering that absolute value symbols
make everything inside them
positive. It means that we can just ignore the stuff inside the absolute value
And use good old common sense to realize that no x can ever make the left side equal -2
So the solution is that there's no solution.
Answer E. As in "Ex-con".