Respuesta :

hello

in the first question, we were asked 5 units to the left of 4

sice we are moving left, it would be negative value of 5

[tex]a=4+(-5)=-1[/tex]

in the second question, we are moving 5 units right from point 4

[tex]b=4+5=9[/tex]

RELAXING NOICE
Relax