Answer:
[tex]x+11[/tex]
Step-by-step explanation:
In order to simplify this:
[tex]x+15-4[/tex]
You just need to substract like terms:
[tex]15-4=11[/tex]
Hence, the simplified is expression is:
[tex]x+11[/tex]
This represents a line which intercepts with the y-axis at 11 and with the x-axis at -11. I attached you the graph.
