реши уравнение х*14-27=43;(х:8)*4=48 с проверкой. Created by dan362. matematika-ru

реши уравнение х*14-27=43;(х:8)*4=48 с проверкой...

July 2022 2 8 Report

реши уравнение х*14-27=43;(х:8)*4=48 с проверкой

vitalikbarnaul 1)x*14-27=43
14x-27=43
14x=43+27
14x=70
x=70:14
x=5
5*14-27=70-27=43
2)(x:8)*4=48
1/8x*4=48
0,5x=48
x=48:0,5
x=96
(96:8)*4=12*4=48

0 votes Thanks 0

ДашаKOT Х * 14 - 27 = 43
х * 14 = 43 + 27
х * 14 = 70
х = 70 : 14
х = 5
Проверка:
5 * 14 - 27 = 43
43 = 43

(х : 8) * 4 = 48
х : 8 = 48 : 4
х : 8 = 12
х = 12 * 8
х = 96
Проверка:
(96 : 8) * 4 = 48
48 = 48

2 votes Thanks 1

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