If you're trying to get x your answer would be -21.
Answer: -42
Step-by-step explanation: 2*2 matrices are easy to find the determinant with. Its just ad-bc, so (5*-2)-(4*8), which is -42
Answer:
a number times ten equals negative three
Step-by-step explanation:
Answer:
x>3/2
Step-by-step explanation:
The answer would be -27 but since you aren't using negatives, A trick I use is cross the line change the sign. So it would be 1/27 I believe
