Answer:
A
Step-by-step explanation:
you can just plug in the numbers until they come out equal
Answer:
A. a red marble
there's more red marbles than blue and white marbles
TIP:
If you ever need to find the graph of a function, simply plug the function into the desmos graphing calculator! :)
Answer: x=-14
Step-by-step explanation:
Answer:
(x,y) = (3, 1/2)
Step-by-step explanation:
This pair of linear equations may be solved simultaneously by using the elimination method. This will involve ensuring that the coefficient of one of the unknown variables is the same in both equations..
To solve this, add the equations;
x + 2x + 2y - 2y = 4 + 5
3x = 9
x = 3
substitute the value of x into the first equation,
3 + 2y = 4
2y = 4 -3
2y = 1
y = 1/2
