Question

15(3-x)-5(x+11)=1-19x

Answer 1

Ответ:

15(3-x)-5(x+11)=1-19x

45-15х-5х-55=1-19х

-10-20х=1-19х

-20х+19х=1+10

-х=11

х=-11

Answer 2

15 (3-x) -5(x +11)=1-19x

45-15х - 5х - 55= 1-19x

45-55-1=15х+5х-19х

-11=х

х=-11