Solve the system of equations.
2.5y + 3x= 27
5x - 2.5 = 5

What equation is the result of adding the two equations?

What is the solution to the system?

If you put them together, +2.5y and -2.5y neutralize themselves while 5x and 3x become 8x.

2.5y + 3x = 27

5x – 2.5y = 5

8x = 32

x = 4

2.5y + 3x4 = 27

2.5y + 12 = 27

2.5y = 27-12

2.5y = 15

y = 15/2.5

y = 6

X = 4

Y = 6

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step-by-step explanation:

the answer is; biodiversity resulting from few ancestors

adaptive radiation occurs when a population is subjected to a large natural environment with spatial ecological variations. the parts of the population in the different ecologies begin to adapt to their local environments. due to non-random mating across the large populations, this causes the different populations from the large population to speciate within their local environments. they, therefore, diverge to different species sharing a common ancestor.