Ответ:
Пошаговое объяснение:
3(х-5)=х+3
3x - 15 = x + 3
3x - x = 3 + 15
2x = 18
x = 18 : 2
x = 9
-2(х+3)=2х-1
-2x - 6 = 2x - 1
-2x - 2x = 6 - 1
-4x = 5
x = 5 : (-4)
x = -1,25
-(2х+1)=1-х
-2x - 1 = 1 - x
-2x + x = 1 + 1
-x = 2
x = -2
==================
P.s - 4
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Ответ:
Пошаговое объяснение:
3(х-5)=х+3
3x - 15 = x + 3
3x - x = 3 + 15
2x = 18
x = 18 : 2
x = 9
-2(х+3)=2х-1
-2x - 6 = 2x - 1
-2x - 2x = 6 - 1
-4x = 5
x = 5 : (-4)
x = -1,25
-(2х+1)=1-х
-2x - 1 = 1 - x
-2x + x = 1 + 1
-x = 2
x = -2
==================
P.s - 4
Verified answer