решите неравенство 3(4х+3)/5>4х-3 3z+6/5-3z-8/4>2

Question

решите неравенство 3(4х+3)/5>4х-3 3z+6/5-3z-8/4>2

Answer 1

3(4x+3)>20x-15

12x+9>20x-15

8x<24</p>

x<3</p>

 

(12z+24-15z+40)\20>40\20

3z<24</p>

z<8</p>