Use a box. Split the terms into the boxes and then multiply across. Sort of like area multiplication, only with terms.
3 5x
4y 12y 20xy
3 9 15x
So you go 108-36 which equals 72 than you take 72 and divide it by 4 which 18 so she rode 18 miles the first day
Answer:
T will equal 4
Step-by-step explanation:
T-4=T-4
T+4=T+4