5x+8＝3(2x-4)-x и 4,1(2-3x)＝12-(12,3+3,8) помогите.. Created by finist1233. algebra-ru

5x+8＝3(2x-4)-x и 4,1(2-3x)＝12-(12,3+3,8) помогите...

finist1233 @finist1233

September 2021 1 7 Report

5x+8＝3(2x-4)-x и 4,1(2-3x)＝12-(12,3+3,8) помогите.

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prettypushkova

Verified answer

5х + 8 = 3(2х - 4) - х
5х + 8 = 6х - 12 - х
5х - 6х + х = - 12 - 8
0х = - 20
х - нет решения, так как на 0 делить нельзя!

4,1(2 - 3х) = 12 - (12,3 + 3,8)
8,2 - 12,3х = 12 - 16,1
8,2 - 12,3х = - 4,1
- 12,3х = - 4,1 - 8,2
- 12,3х = - 12,3
х = - 12,3 : (-12,3)
х =1

1 votes Thanks 1

finist1233 Спасибо

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