Question

Combining like terms... 12r-8-12. = -8r is this correct

Answer 1

if it is
\[12r-8-12\] then no. the like terms are
\[-18\text{ and} -12\] so if you combine them you get
\[12r-20\]

Answer 2

ok so I added 8 and twelve i wasnt sure what to do with the 12 r lol thank you

Answer 3

yw

Answer 4

n-10+9n-3 i am lost Combining like terms

Answer 5

need a break down