Simplify each expression Justify each step

(22+19b) + 7

18 + (5+6m)

11s (4)

10y (7)

(9+31+5) [ (7times5) times4]

Answers

remove the () fast and then add the numbers that look the same.

(22+19b) + 7

22+19b+7

22+7+19b

= 29+19b

18 + (5+6m)

18+5+6m

= 23+6m

here u don't care about same or not same u just multiply or divide

11s (4)

= 44s

10y (7)

= 70y

(9+31+5) (7times5) times4)

(45) (35) 4

(1575) 4

= 6300