Step-by-step explanation:
4x-2y = 9 ...1
2x-y = -6 ...2
if ...2 × 2
4x-2y = -12
9 is not equal to -12
Answer:
b
Step-by-step explanation:
im not 100% sure sorry
Answer:
10x + 10y +10
Step-by-step explanation:
You just multiply 5 with the coefficients.
Yes your answer is correct
Just plug in A - 2B + C
5 - 2(4) + 2 = -1
2 - 3(2) + 8 = 4
3 - 2(-1) + 0 = 5
0 - 2(6) + 5 = -5
so
[-1 4]
[5 -7]