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Byutzabya
a fost răspuns

Ajutati-ma putin:
a) 5x-7>3x-15
b) 8x+6>_5x-15
c) 2x-8<7x+12
d) 14-2x<_ 2x-10
e) 17-4x>2x-13
f) 50-3x<_4x+15
Coroana+inima+ 30 puncte

Răspuns :

Ninaninett
sper sa te ajute răspunsul meu!
Vezi imaginea Ninaninett
a) 5x-3x>-15+7
2x>-8=>x>-8:2=>x=-4

b) 8x-5x ≥-15-6
3x ≥ -21=>x ≥ -21:3=>x ≥ -7

c) -8-12 <7x-2x
-20<5x=>x<-20:5=>x<-4

d)14+10≤2x+2x
24 ≤ 4x=>x ≤ 24:4=>x ≤ 6

e)17+13>2x+4x
30>6x=>x>30:6=>x>5

f)50-15 ≤ 4x+3x
35 ≤ 7x=>x ≤ 35:7=>x ≤ 5

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