<img src="https://tex.z-dn.net/?f=Hola~~%20%5C%5C%20%20%5C%5C%20Vamos~llamar%3A%20%5C%5C%20Numerador----%5C%20%5Ctextgreater%20%5C%20x%20%5C%5C%20Denominador---%5C%20%5Ctextgreater%20%5C%20y%20%5C%5C%20Entonces%20~la~fracci%5Cacute%7Bo%7Dn~seria~~----%5C%20%5Ctextgreater%20%5C%20%20%5Cboxed%7B%5Cfrac%7Bx%7D%7By%7D%7D%20%5C%5C%20%20%5C%5C%20%5Cmathbb%7Buuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu%7D%20%20%5C%5C%20%5Cstar~Ahora~vamos~a~las~condiciones~que~nos~dice%3A%20%5C%5C%20%20%5C%5C%20%5Cunderbrace%7BEl~denominador%7D_%7B%5Cmathbf%7By%7D%7D~%5Cunderbrace%7Bes%7D_%7B%5Cmathbf%7B%3D%7D%7D~%5Cunderbrace%7Bel~quintuplo~del~numerador%7D_%7B%5Cmathbf%7B5x%7D%7D%2C%5Cunderbrace%7Bmas%7D_%7B%5Cmathbf%7B%2B%7D%7D~%5Cunderbrace%7B7~unidades%7D_%7B%5Cmathbf%7B7%7D%7D%5C%5C%20%20%5C%5C%20Entonces~la~ecuaci%5Cacute%7Bo%7Dn~es%3A%20%5C%5C%20%20%5C%5C%20%20" />
<img src="https://tex.z-dn.net/?f=%5Cboxed%7By%3D5x%2B7%7D~~-----%5C%20%5Ctextgreater%20%5C%20%28I%29%20%5C%5C%20%20%5C%5C%20%5Cmathbb%7Buuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu%7D%20%20%5C%5C%20%5Cstar~La~otra~condici%5Cacute%7Bo%7Dn~indica%3A%20%5C%5C%20%20%5C%5C%20%5Cunderbrace%7BLa~suma~de~los~t%5Cacute%7Be%7Drminos~de~dicha~fracci%5Cacute%7Bo%7Dn%7D_%7B%5Cmathbf%7Bx%2By%7D%7D~%5Cunderbrace%7Bes%7D_%7B%3D%7D~%5Cunderbrace%7B79%7D_%7B%5Cmathbf%7B79%7D%7D%20%5C%5C%20%20%5C%5C%20Nuestra~ecuaci%5Cacute%7Bo%7Dn~es%3A%20%5C%5C%20%20%5C%5C%20%5Cboxed%7Bx%2By%3D79%7D~~------%28II%29%20%5C%5C%20%20%5C%5C%20%5Cmathbb%7Buuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu%7D%20%5C%5C%20Para~calcular~%28~%5Cmathbf%7Bx%7D%29~reemplazaremos~%28I%29~en~%28II%29~vea%3A%20%5C%5C%20%20%5C%5C%20" />
<img src="https://tex.z-dn.net/?f=x%2By%3D79~~---%5C%20%5Ctextgreater%20%5C%20donde~%5By%3D5x%2B7%5D%2C%20reemplazando~en~%28y%29%20%20%5C%5C%20%5C%5C%20x%2B%285x%2B7%29%3D79%20%20%5C%5C%20%5C%5C%206x%2B7%3D79%20%5C%5C%20%20%5C%5C%206x%3D72%20%20%5C%5C%20%5C%5C%20%5Cboxed%7B%5Cboxed%7Bx%3D12%7D%7D%20%20%5C%5C%20%20%5C%5C%20%5Cmathbb%7Buuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu%7D%20%5C%5C%20Para~calcular~el~valor~de~%28%5Cmathbf%7By%7D%29~podemos~reemplzar~el~valor~de~%28x%29%20%5C%5C%20tanto~en~la~ecuaci%5Cacute%7Bo%7Dn~%28I%29%20~o~%28II%29~el%20~valor%20~del~resultado~ser%5Cacute%7Ba%7D~lo~%20%5C%5C%20mismo%2C%20en~mi~caso~reemplazare~en~la~%28I%29~vea%3A%5C%5C%20%20%5C%5C%20%20" />
<img src="https://tex.z-dn.net/?f=y%3D5x%2B7~~---%5C%20%5Ctextgreater%20%5C%20donde%5B%20x%3D12%5D~reemplazando~en~%28x%29%20%5C%5C%20%20%5C%5C%20y%3D5%2812%29%2B7%20%5C%5C%20%20%5C%5C%20%5Cboxed%7B%5Cboxed%7By%3D71%7D%20%7D%20%5C%5C%20%20%5C%5C%20%5Cmathbb%7Buuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu%7D%20%20%5C%5C%20Nuestra~fracci%5Cacute%7Bo%7Dn~es%3A--%5C%20%5Ctextgreater%20%5C%20%20%5Cboxed%7B%5Cfrac%7B12%7D%7B71%7D%7D%20%5C%5C%20%20%5C%5C%20%5Cstar~respondiendo~la~pregunta%3A%20%5C%5C%20%5Cunderbrace%7BEl~valor~de~la~raiz~cuadrada~del~numerador~aumentado~en~4%7D_%7B%5Cmathbf%7B%20%5Csqrt%7B12%2B4%7D%20%7D%7D%20%5C%5C%20%20%5C%5C%20%20%5Csqrt%7B12%2B4%7D%3D%20%5Csqrt%7B16%7D%20%20%20%3D%5Cboxed%7B%5Cboxed%7B4%7D%7D---%5C%20%5Ctextgreater%20%5C%20respuesta%5C%5C%20%20%5C%5C%20%20" />
<img src="https://tex.z-dn.net/?f=%5Cmathbb%7Bvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv%7D%20%5C%5C%20~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Espero~%20te~sirva~saludos%21%21" />.