4c/7c-14 + 6c/14c-28
You want to combine terms?
4/7c - 14 + 6/14c - 28
Multiply by 14
8c - 196 + 6c - 392 = 14c - 588
Divide by 14
c - 42
4/7c - 14 + 6/14c - 28
Multiply by 14
8c - 196 + 6c - 392 = 14c - 588
Divide by 14
c - 42