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2x+5supra24=x+1 supra 8

Răspuns :

2x + 5/24 = x + 1/8
2x - x = 1/8 - 5/24
x = 3/24 - 5/24
x = -2/24
x = -1/12

[tex]\dfrac{2x+5}{24}[/tex]=[tex]\dfrac{x+1}{8}[/tex]

8(2x+5)=24(x+1)

16x+40=24x+24

40-24=24x-16x

16=8x=>x=[tex]\dfrac{16}{8}[/tex]=2

Proba

[tex]\dfrac{2\cdot 2+5}{24}[/tex]=[tex]\dfrac{2+1}{8}[/tex]

[tex]\dfrac{9}{24}[/tex]=[tex]\dfrac{3}{8}[/tex]

9·8=24·3
72=72