Question

Find the sum of 5a - 3b, 7b - 3c and 9c – a​

Answer 1

We got three terms 5a -3b , 7b -3c , 9c -a

so adding all the three terms we get

5a -3b + 7b -3c +9c -a

4a+4b+6c

2(2a+2b+3c)

Thank you