Question

Rohan spends ₹(3a-4b+2c) on a book and ₹(7a+5b-c) on a bag. how much does he spend in all​

Answer 1

Answer: Rohan spends (10a + b + c)

Step-by-step explanation:

(3a-4b+2c) + (7a+5b-c)

= 3a-4b+2c+7a+5b-c

=(3a+7a)+(-4b+5b)+(2c-c)

=10a+(-4b+5b)+(2c-c)

=10a+b+(2c-c)

=10a+b+c