Question

3(2x+5)-9(x-4)=12 plz plz plz plz plz plz plz tell me the answer of question

Answer 1

3(2x+5)-9(x-4)=12

6x+15-9x+36=12

6x-9x+15+36=12

-3x+51=12

-3x=12-51

-3x=-39

x=-39/-3

- - cut

x=13