Answer:
9
Step-by-step explanation:
3,000/ 270 = 11.11
100/ 11.11 = 9
Answer:
-4+n
Step-by-step explanation:
-4+8n-7n=
Answer:
c/8 =__
Step-by-step explanation:
Multiply 1st equation by 5
-5x + 10y = -20
now you have
-5x + 10y = -20
5x - 10y = 20
---------------------add
0 + 0 = 0
0 = 0
answer
C. the system has infinitely many solutions