Пошаговое объяснение:
4) 2x–15=13
2x=13+15
2x=28
x=28÷2=14
5) 7y–25=45
7y=45+25
7x=70
x=70÷7=10
6) 130–4x=70
–4x=70–130
–4x= –60
x= –60÷(–4)=15
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Пошаговое объяснение:
4) 2x–15=13
2x=13+15
2x=28
x=28÷2=14
5) 7y–25=45
7y=45+25
7x=70
x=70÷7=10
6) 130–4x=70
–4x=70–130
–4x= –60
x= –60÷(–4)=15