помогите с матем плз 10 примерчиков. Created by angg1vv. matematika-ru

помогите с матем плз 10 примерчиков...

angg1vv @angg1vv

July 2022 1 13 Report

помогите с матем плз 10 примерчиков

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Af1nOdE

Verified answer

-12z+95 = -7z
-12z + 7z = -95
-5z = -95
z = -95/(-5)
z = 19
Ответ: 19

7n+12 = 6n+8
7n - 6n = 8 - 12
n = -4
Ответ: -4

25 = 5y - 5
5y = 30
y = 6
Ответ: 6

28 - 9m = - 8 -10m
m = - 8 -28
m = -36
Ответ: -36

15х-12 = 8-5х
15х+5х = 8+12
20х = 20
х = 1
Ответ: 1

-10y - 64 = -6y
-4y = 64
y = -16
Ответ: -16

16m - 5 = 15m - 10
m = -10+5
m = -5
Ответ: -5

40 - 12x = 20 - 11x
-x = 20 - 40
-x = -20
x = 20
Ответ: 20

63-8n = n
-9n = -63
9n = 63
n = 63/9
n = 7
Ответ: 7

25 - 9y = 5y + 11
- 14y = 11 - 25
-14y = - 14
14y = 14
y = 1
Ответ: 1

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