1)6*(x-3)=6*x-6*3
2. (6*x-18)/(x+2)=6+(-30/(x+2))
3. 6+(-30/(x+2))=6-30/(x+2)
4. 7*x-(6-30/(x+2))=7*x-6+30/(x+2)
ответ: 7*x-6+30/(x+2)
1)6*(x-3)=6*x-6*3
2. (6*x-18)/(x+2)=6+(-30/(x+2))
3. 6+(-30/(x+2))=6-30/(x+2)
4. 7*x-(6-30/(x+2))=7*x-6+30/(x+2)
ответ: 7*x-6+30/(x+2)