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Mirunastefania8
a fost răspuns

cum fac de aici?
5x+10-3|2x+5|+2x+6>7x+21-14

Răspuns :

5x+10-3|2x+5|+2x+6>7x+7
-3|2x+5|>7x+7-5x-2x-10-6
-3|2x+5|>-9
|2x+5|>-9/-3
|2x+5|>3
I) 2x+5>3
2x>3-5
2x>-2
x>-2/2
x>-1 , x€(-1;∞)
II) -(2x+5)>3
-2x-5>3
-2x>3+5
-2x>8
x>8/-2
x>-4
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