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The value of y at x = -1 in the equation 5y = 2 is:

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52

25

answer is B.

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Detailed Solution

The given equation is

5 y = 2

. Here, the given equation has no

x

variable.
So, we can also write the equation as

0 x + 5 y = 2

, then it will remain the same whether we put any value of

x

.
Now,
If we solve the equation

0 x + 5 y = 2

for x = -1, we get,

⇒ 0 − 1 + 5 y = 2.

⇒ 5 y = 2.

\Rightarrow y = \frac{2}{5}

.
Therefore, the value of y at x = -1 in the equation 5y = 2 is

25

.
Hence, the correct option is 2.

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