Answer:
>>> Mathematics
> 15x + 26y - 12z + 15
> 15a + 8b - 6c
> -4a - 2b + 3c - 6
> -4a - 6b - 9c
> 7x - 2y
Explain:
8x - 12 + 6y - 12z + 7 x + 27 + 20y
> 8x + 15 + 6y - 12z + 7x + 20y
> 15x + 15 + 6y - 12z + 20y
> 15x + 15 + 26y - 12z
30a + 16b - 3c - 15a - 8b - 3c
> 15a + 16b - 3c - 8b - 3c
> 15a + 8b - 3c - 3c
16a + 3b + 3c - 20a - 5b - 6
> -4a + 3b + 3c - 5b - 6
16a + 6b - 3c - 20a - 12b - 6c
> -4a + 6b - 3c - 12b - 6c
> -4a - 6b - 3c - 6c
3x + y + 30 + 4x - 3y - 30
> 3x + y + 4x - 3y
> 7x + y - 3y
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Verified answer
Answer:
>>> Mathematics
> 15x + 26y - 12z + 15
> 15a + 8b - 6c
> -4a - 2b + 3c - 6
> -4a - 6b - 9c
> 7x - 2y
Explain:
8x - 12 + 6y - 12z + 7 x + 27 + 20y
> 8x + 15 + 6y - 12z + 7x + 20y
> 15x + 15 + 6y - 12z + 20y
> 15x + 15 + 26y - 12z
> 15x + 26y - 12z + 15
30a + 16b - 3c - 15a - 8b - 3c
> 15a + 16b - 3c - 8b - 3c
> 15a + 8b - 3c - 3c
> 15a + 8b - 6c
16a + 3b + 3c - 20a - 5b - 6
> -4a + 3b + 3c - 5b - 6
> -4a - 2b + 3c - 6
16a + 6b - 3c - 20a - 12b - 6c
> -4a + 6b - 3c - 12b - 6c
> -4a - 6b - 3c - 6c
> -4a - 6b - 9c
3x + y + 30 + 4x - 3y - 30
> 3x + y + 4x - 3y
> 7x + y - 3y
> 7x - 2y