Looking at this, I think the easiest (personally) way to solve it would be using the Substitution method.
Meaning we have to rearrange ONE equation, to make ONE variable ( x or y) the subject.
(1) 2.5x + y = -2
(2) 3x +2y = 0
The first equation is the easiest to rearrange. Make Y the subject for (1).
Thus,
y = -2.5x - 2
Substitute this into equation (2).
∴ 3x + 2(-2.5x - 2) = 0
Expand and simplify:
3x - 5x - 4 = 0
∴ -2x - 4 = 0
Making x the subject:
-2x = 4
x = -2
From here, we need to substitute x=-2 into equation (1) or (2) to solve for the y-value. I would say the easiest way, would be to rearrange one, to make y the subject, which was what we did earlier.
Thus,
y = -2.5x - 2
y = ((-2.5(-2) -2)
y = 3
(X,Y) x = -2, y = 3
Answer: (-2,3)
I hope you followed through.
In both species repeated pairing of a CS and US eventually produces a CR in response to the CS alone. In the sea-slug this is a very direct process, in the species we have been discussing in these lectures - rats, dogs, humans and so on - I hope you have seen that it is far from being so simple.
Answer:
Nitrogen mineralization and immobilization are increased immediately after clear-cutting, while plant nitrogen uptake is reduced. In fertile sites, the interaction of these processes leads to an excess of nitrogen mineralized over nitrogen utilized within the forest.
Explanation:
i think it help you
Answer:
mas malalim ang panganhailangan kaysa sa kagustuhan
Explanation:
kagustuhan- mamahaling relo at mamahaling sapatos
pangangailangan-pagkain at tirahan
Explanation:
Two lane roads may have "no passing zones" mark by solid yellow line.
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