Answer:
|
-1 < x < 11 3 |
||||||
|
|
||||||
|
3x – 4 |
< |
7 |
and |
3x – 4 |
> |
7 |
|
+ 4 |
|
+ 4 |
|
+ 4 |
|
+ 4 |
|
3x |
< |
11 |
|
3x |
> |
-3 |
|
|
|
|
|
|
|
|
|
3x 3 |
< |
11 3 |
|
3x 3 |
> |
-3 3 |
|
x |
< |
11 3 |
and |
x |
> |
-1 |
Graph
Teacher Notes:
Because this is a “less than” statement, it is important the graphic solution show the solution as the intersection of two lines (in other words a between statement). The solution is written as -1 < x < 11/3.