Question

How do you solve j+j+j+j+j+j+j?

Don't understand what this means its from an Algebra worksheet

Answer 1

7j

Explanation:

There are 7 of them.
If you imagine the j was a tin of beans(!) then you would have 7 tins of beans. If the terms are the same you can add/subtract them.
If you have `j+j+ j^2+j+j+j=j^2+5j`
You don't add the ones with different powers together `j and j^2` are the same letter but different terms, as different as `x and y`.
Hope this helps a bit.