a) (2a-3b)-(a-b)= 2а-3b-а+b=а-2b
b) 5+2(x-1)=5+2х+2=7+2х=2х=-7=3,5
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
А) a-2b
Б)5+2x-1
a) (2a-3b)-(a-b)= 2а-3b-а+b=а-2b
b) 5+2(x-1)=5+2х+2=7+2х=2х=-7=3,5