[tex]\huge\text{Hey there!}[/tex]
[tex]\large\textsf{(5.6x - 4) + (16 - 2.1x)}[/tex]
[tex]\large\text{DROP the PARENTHESES}[/tex]
[tex]\large\textsf{5.6x - 4 + 16 - 2.1x}[/tex]
[tex]\large\text{COMBINE the LIKE TERMS}[/tex]
[tex]\large\textsf{5.6x - 2.1x - 4 + 16}[/tex]
[tex]\large\textsf{5.6x - 2.1x = \bf 3.5x}[/tex]
[tex]\large\textsf{-4 + 16 = \bf 12}[/tex]
[tex]\large\textsf{= \bf 3.5x + 12 }[/tex]
[tex]\boxed{\boxed{\large\text{Answer: \huge \bf 3.5x + 12}}}\huge\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]