Question

Add:3a-2b+5c,2a+5b-7c, a-b+c?​

Answer 1

Answer:

6a+2b-1c

Step-by-step explanation:

(3a-2b+5c)+(2a+5b-7c)+(a-b+c)

=(3a+2a+a)+(+5b-2b-b)+(+5c+c-7c)

=6a+2b-1c

Answer 2

PIC Is Only for explanation ...

Answer is 6a +2b-c

hope this is help full for you ..

if you want to learn abacus ..

so you can ask q then i give you answer....