3x-5= 19
3x= 19+5
x= 24/3
x= 8
Ahora reemplazamos:
[tex]\sqrt{5x+9} +\sqrt{x+1}[/tex]
[tex]\sqrt{5(8)+9} +\sqrt{(8)+1}[/tex]
[tex]\sqrt{40+9} +\sqrt{9}[/tex]
[tex]\sqrt{49} +\sqrt{9}[/tex]
7 + 3
10
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3x-5= 19
3x= 19+5
x= 24/3
x= 8
Ahora reemplazamos:
[tex]\sqrt{5x+9} +\sqrt{x+1}[/tex]
[tex]\sqrt{5(8)+9} +\sqrt{(8)+1}[/tex]
[tex]\sqrt{40+9} +\sqrt{9}[/tex]
[tex]\sqrt{49} +\sqrt{9}[/tex]
7 + 3
10