Question

Answer this three question. Let's see who is brainliest. Do it in Copy​

Answer 1

Answer:

hope it is helpful to you dear

$- 7a - 4 | - 3a + 5 - ( - 4b - 7a) | \\ - 7a - 4 | - 3a + 5 - 4b - 7a | \\ - 7a - 4 - 3a + 5 - 4b - 7a \\ ( - 7 - 3 - 7)a + ( - 4)b + ( - 4 + 5) \\ - 17a - 4b + 1$