Помогите решить уравнение 2*(n-15)=100 ; 432/k*8=9; 28*15-t=420.. Created by uliamasiuk. matematika-ru

k*8=9; 28*15-t=420...

uliamasiuk @uliamasiuk

August 2022 2 6 Report

Помогите решить уравнение 2*(n-15)=100 ; 432/k*8=9; 28*15-t=420.

АннаАнютка 1) n-15=50
n=65.
2)K*8=48
k=6.
3) 15-t=15
t=0.

2 votes Thanks 2

icyman123 1.
2*(n-15)=100;
n-15 = 100/2
n-15=50
n = 50 + 15 = 65
Ответ: n = 65.

2.
432/k*8 = 9
k*8 = 432/9
k*8 = 48
k= 48/8 = 6.
Ответ: k = 6.

3.
28*15-t = 420
420 - t = 420
t = 420 - 420 = 0
Ответ: t = 0.

1 votes Thanks 4

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