Question

If A= -2 a + 7b - 8a + 3b, B = b + 7a - 2b, C = - 4a + 9b - 7a + 3b then A+B+C by column method is 1)-17 a + 14b 2)-17 a + 12b 3)-17 a - 12b 4)-17 a + 12b ​

Answer 1

Step-by-step explanation:

I hope you understood if not please comment

if you like it please Mark as Brainlest answer