9x - 2y = 11 ... (i)
5x - 2y = 15 ... (ii)
Subtracting equation (ii) from (i) we get;
4x + 0 = -4
4x=-4 , x = -1
Replacing x = -1 in equation (i) we get;
9(-1) - 2y = 11
-9 - 2y = 11
-2y = 20
y = 20 ÷ -2 = -10
The solution to the system of equations is (-1,-10).
Answer:18
Step-by-step explanation: 18=2.3.3
Answer:
0
Step-by-step explanation:
1-1=0
It's common knowledge that 1-1=0 so I dont know how to explain it any further
Answer:
12
Step-by-step explanation:
Answer:
The answer is 4/7
Step-by-step explanation: