решите неравенство: 5) 6(3+5y)-(2+7y)(4+3y) 6) 4(3y-1)-3(y-1)>2(3+y)

Question

решите неравенство:

5) 6(3+5y)-(2+7y)(4+3y) 6) 4(3y-1)-3(y-1)>2(3+y)

Answer 1

5)18+30у-2-7у<=20+15у</p>

30у-7у-15у<=20-18+2</p>

8у<=4</p>

y<=1/2</p>

 

6)12y-4-3y+3>6+2y

12y-3y-2y>6+4-3

7y>7

y>1