Question

Please Give me answer of this question please... please​

Answer 1

Answer:

hlo dear!

(2a+5b-7c+1+7a-3b+9c-5) - (5c-3a+b+13)

(2a+7a+5b-3b-7c+9c+1-5) - (5c-3a+b+13)

(9a+2b+2c-4) - (5c-3a+b+13)

9a+2a+2c-4-5c+3a+b+13

9a+3a-2b-b+2c-3c-4-13

12a-3b-c-17

I hope this is helpful to you!