Объяснение:
1)
[tex] - 2(a - b) + 16 = 3(b + 7)[/tex]
[tex] - 2a + 2b + 16 = 3b + 21[/tex]
[tex] - 2a + 2b - 3b = 21 - 16[/tex]
[tex] - 2a - b = 5[/tex]
2)
[tex]6a - (a - 5) = - 8 (b + 1)[/tex]
[tex]6a - a + 5 = - 8b - 8[/tex]
[tex]5a - 8b = - 8 - 5[/tex]
[tex]5a - 8b = 13[/tex]
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Объяснение:
1)
[tex] - 2(a - b) + 16 = 3(b + 7)[/tex]
[tex] - 2a + 2b + 16 = 3b + 21[/tex]
[tex] - 2a + 2b - 3b = 21 - 16[/tex]
[tex] - 2a - b = 5[/tex]
2)
[tex]6a - (a - 5) = - 8 (b + 1)[/tex]
[tex]6a - a + 5 = - 8b - 8[/tex]
[tex]5a - 8b = - 8 - 5[/tex]
[tex]5a - 8b = 13[/tex]