Question

Памагити
А) (8a-11b)+(9b+5a)
Б) (6x+3y)-(6y-8x)

Answer 1

Памагити
А) (8a-11b)+(9b+5a) =
= 8а - 11 b + 9b + 5a = 13a - 2b

Б) (6x+3y)-(6y-8x) =
= 6x + 3y - 6y + 8x = 14x - 3y

Answer 2

А)

$1) 8a - 11b + 9b + 5a \ 2)13a - 11b + 9b = 13a - 2b \ \ 1)6x + 3y - 6y + 8x \ 2)14x + 3y - 6y = 14x - 3y$
Б)