Sagot :
Answer:
B. The system has no solution.
Step-by-step explanation:
[12x + 7y] = (20)
[12x + 7y] = (11)
The numbers in (parentheses) are both different while the numbers in the [brackets] are the same.
20=7y+12x
- 7y=-12x+20
- y=-12/7x+20/7
12x+7y=11
- 7y=-12x+11
- y=-12/7x+11/7
Slopes are
- Lines are parallel
No solutions