Question

If m(nx² - y) = 5n, find the value of n when
m=6, x = -2, y=-3 and z=-5.​

Answer 1

Step-by-step explanation:

$6 (n {( - 2)}^{2} - ( - 3)) = 5n \\ 6(4n + 3) = 5n \\ 24n + 18 = 5n \\ 24n - 5n = - 18 \\ 19n = - 18 \\ n = \frac{ - 18}{19}$