[tex]\text{Hey there!}[/tex]
[tex]\bold{3 + 3t - 3t - 3}\\\bold{GROUP/COMBINE\ your\ LIKE\ TERMS}\\\bold{(3t-3t)+(3-3)}\\\bold{3t-3t=0}\\\bold{3-3=0}\\\bold{0=0}}\\\boxed{\boxed{\bold{Answer: 0}}}\huge\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}\\\\\frak{Amphitrite1040:)}}[/tex]