9 (x+11) =... (12-a)*6=..... 7 (a-18)=....

Question

9 (x+11) =... (12-a)*6=..... 7 (a-18)=....

Answer 1

9(х+11)=9х+99
(12-а)*6=72-6а
7(а-18)=7а-126

Answer 2

9х+99

72-6а

7а-126 ========================================