x-9<8x+5 4(X-11)-5(2x-7)>или=0 дробь x/3+9<или=х срочно плииз!

Question

x-9<8x+5</p>

4(X-11)-5(2x-7)>или=0

дробь x/3+9<или=х</p>

срочно плииз!

Answer 1

x-9<8x+5</span>

x-8x<5+9</p>

-7x<14</p>

x>-2

 

4(X-11)-5(2x-7)>=0

4x-44-10x+35>=0

-6x>=9

x<=-1.5</span>

 

 x/3+9<=х</span>

x/3-x<=-9</span>

x/3-3x/3<=-9</span>

-2x/3<=-9</span>

x>=13.5