Question

simplify by combining the like terms 2a+b-3,b-a+3 and -a-b+3​

Answer 1

Answer:

b + 3

Step-by-step explanation:

2a+b-3,b-a+3 and -a-b+3

=2a + b - 3 + b - a + 3 + ( - a ) + (- b ) + (3)

= 2a + b - 3 + b - a + 3 - a - b + 3

= 2a - a - a + b + b - b - 3 + 3 + 3

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

= 0 + b + 3

= b+3