3х-2-3(х+5)=-(2-х)-5

Question

3х-2-3(х+5)=-(2-х)-5

Answer 1

3х-2-3(х+5)=-(2-х)-5
3х-2-3х-15=-2+Х-5
-17+2+5=Х
Х=-10
Проверка:
3•(-10)-2-3(-10+5)=-(2-(-10))-5
-30-2-3•(-5)=-12-5
-30-2+15=-17
-17=-17
Ответ:Х=-10

Answer 2

3х-2-3·(х+5)=-(2-х)-5
3x-2-3x-15=-2+x-5
3x-3x-x=-2-5+2+15
-x=10
x=-10