решите уравнение: 3(0.4 + 7) - 4(0.8x - 3) = 2
3(0.4x+7)-4(0.8x-3)=2
1.2х+21-3,2х+12=2
33-2х=2
2х=33-2=31
х=31:2
х=15,5
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
3(0.4x+7)-4(0.8x-3)=2
1.2х+21-3,2х+12=2
33-2х=2
2х=33-2=31
х=31:2
х=15,5