Question

реши уравнения (3х +2х)*8=6 400

Answer 1

(3х +2х)*8=6 400
24x+16x=6400
40x=6400
x=6400:40
х=160
Ответ:160

Answer 2

(3х+2х)*8=6400
5х*8=6400
5х=6400/8
5х=800
х=800/5
х=160
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Проверка:(3*160+2*160)*8=6400
6400=6400