2) 1-0,5 <4-x 9-2.8x>6-1.3x 3) 0.4x-1<0.5x-1.7 2.7x-10<0.9x-1 4)2.8x-17>0.3x-4.5...

Question

2) 1-0,5 <4-x <br> 9-2.8x>6-1.3x

3) 0.4x-1<0.5x-1.7 <br> 2.7x-10<0.9x-1<br>
4)2.8x-17>0.3x-4.5
12.3x-16.6<7.1x+19.8<br>

Comments

Это системы?

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да

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системы неравенств

Answer 1

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