Question

4/15(1 2/4n-4,5)-1 1/2(8/27n+5,4)=
Решите пожалуйста!

Answer 1

4/15(1 2/4n - 4,5) - 1 1/2(8/27n + 5,4) = 2/5n - 1 1/5 - 4/9n - 8 1/10

2/5n - 4/9n = 1 1/5 + 8 1/10

-2/45n = 9,3

n = 93/10 * (-45/2)

n = 93/2 * (-9/2)

n = -837/4

n = -209 1/4