Answer:
The answer is 2/4
Step-by-step explanation:
Answer:
4/25
Step-by-step explanation:
It is a fraction with 4 in the numerator and 25 in the denominator.
4
__
25
Answer:
The answer is H 3
Step-by-step explanation:
Answer:
<h2>x = 1, y = 3 → (1, 3)</h2>
Step-by-step explanation:
![\left\{\begin{array}{ccc}-2x+y=1\\-4x+y=-1&\text{change the signs}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-2x+y=1\\4x-y=1\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad2x=2\qquad\text{divide both sides by 2}\\.\qquad x=1\\\\\text{Put it to the first equation:}\\\\-2(1)+y=1\\-2+y=1\qquad\text{add 2 to both sides}\\y=3](https://tex.z-dn.net/?f=%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7D-2x%2By%3D1%5C%5C-4x%2By%3D-1%26%5Ctext%7Bchange%20the%20signs%7D%5Cend%7Barray%7D%5Cright%5C%5C%5C%5C%5Cunderline%7B%2B%5Cleft%5C%7B%5Cbegin%7Barray%7D%7Bccc%7D-2x%2By%3D1%5C%5C4x-y%3D1%5Cend%7Barray%7D%5Cright%7D%5Cqquad%5Ctext%7Badd%20both%20sides%20of%20the%20equations%7D%5C%5C.%5Cqquad2x%3D2%5Cqquad%5Ctext%7Bdivide%20both%20sides%20by%202%7D%5C%5C.%5Cqquad%20x%3D1%5C%5C%5C%5C%5Ctext%7BPut%20it%20to%20the%20first%20equation%3A%7D%5C%5C%5C%5C-2%281%29%2By%3D1%5C%5C-2%2By%3D1%5Cqquad%5Ctext%7Badd%202%20to%20both%20sides%7D%5C%5Cy%3D3)