{6(2x-1)<20+4x 5x<=-4(x+3)

Question

{6(2x-1)<20+4x<br> 5x<=-4(x+3)

Comments

система, да?

Answer 1

6(2x-1)<20+4x<br>5x≤-4(x+3)

12x-6<20+4x<br>5x≤-4x-12

12x-4x<20+6<br>5x+4x≤-12

8x<26<br>9x≤-12

x<26\8<br>x≤-12\9
 
x<13\4<br>x≤-4\3
Ответ:(-∞;-4\3]

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