[tex]\huge\text{Hey there!}[/tex]
[tex]\huge\textsf{x + (-5x)}[/tex]
[tex]\huge\textsf{= x - 5x}[/tex]
[tex]\huge\textsf{= 1x - 5x}[/tex]
[tex]\large\boxed{\text{COMBINE the LIKE TERMS}}[/tex]
[tex]\huge\textsf{= (1x - 5x)}[/tex]
[tex]\huge\boxed{\mathsf{= -4x}}[/tex]
[tex]\huge\boxed{\textsf{Therefore, your answer is: -4x}}\huge\checkmark[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]