# math 8th grade

posted by
**Britta**
.

I need to combine like terms. Here are a few questions that I am having trouble with.

-r - 10r

n-4-9

-4+7(1-3m)

Please help ! thank you.

posted by
**Britta**
.

I need to combine like terms. Here are a few questions that I am having trouble with.

-r - 10r

n-4-9

-4+7(1-3m)

Please help ! thank you.