[tex]\huge\text{Hey there!}[/tex]
[tex]\large\textsf{1 + 3x - 8x + 7}[/tex]
[tex]\large\text{COMBINE the LIKE TERMS }[/tex]
[tex]\large\textsf{ (3x - 8x) + (1 + 7)}[/tex]
[tex]\large\textsf{3x - 8x = \bf -5x}[/tex]
[tex]\large\textsf{1 + 7 = \bf 8}[/tex]
[tex]\large\textsf{= -5x + 8}[/tex]
[tex]\boxed{\boxed{\large\text{Answer: \huge \bf -5x + 8}}}\huge\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]