Question

if n-2y=3y+n/m, find the value of n when y=-4 and m=5​

Answer 1

Step-by-step explanation:

$given \: \: y = - 4 \: \: \: \: m = 5 \\ n - 2y = 3y + \frac{n}{m} \\ n - 2( - 4) = 3( - 4) + \frac{n}{5} \\ n + 8 = - 12 + \frac{n}{5} \\ n + 8 = \frac{ - 60 + n}{5} \\ 5n + 40 = - 60 + n \\ 5n - n = - 60 - 40 \\ 4n = - 100 \\ n = -25$

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Answer 2

If y = -4 and m = 5 put them in the equation that is -

= n -2(-4) = 3(-4) + n/5

= n + 8 = -12 + n/5

= n + 8 + 12 = n/5

= n + 20 = n/5

= n * n = 5 * 20

= n² = 100

= n = √100

= n = 10

∴ n = 10