Question

(5a + 3b) +(6a - 2b) -(3a + 4b) -(a -b)

Answer 1

= 5a + 3b + 6a - 2b - 3a - 4b - a + b

= 5a + 6a - 3a - a + 3b + - 2b - 4b + b

= 7a - 2b

Answer 2

(5a + 3b) +(6a - 2b) -(3a + 4b) -(a -b)

5a + 3b + 6a - 2b - 3a - 4b - a + b

5a+6a-3a-a +3b+b-2b-4b

11a-4a + 4b - 6b

7a - 2b