Решить уравнение алгебраическим способом: 1) 3-4x=x-12 2) (x+7)-(3x+5)=2 3) 3(2x-1)+12=x 4) x+ x=7 3 4. Created by adabdhadba. matematika-ru

Решить уравнение алгебраическим способом: 1) 3-4x=x-12 2) (x+7)-(3x+5)=2 3) 3(2x...

July 2022 1 2 Report

Решить уравнение алгебраическим способом:
1) 3-4x=x-12
2) (x+7)-(3x+5)=2
3) 3(2x-1)+12=x
4) x+ x=7
3 4

Answers & Comments

prvkam 1) 3-4x=x-12
-5х = -15
х = 3

2) (x+7)-(3x+5)=2
х + 7 - 3х - 5 = 2
-2х = 0
х = 0

3) 3(2x-1)+12=x
6х - 3 + 12 = х
5х = -9
х = -9/5 = -1,8

4) x+ x=7
2х = 7
х = 7/2 = 3,5

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Answer

adabdhadba August 2022 | 0 Ответы

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Answer

Answers & Comments

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