Respuesta :

Answer:

X=5

Step-by-step explanation:

[tex]12x + 19 + 22x - 9 = 180[/tex]

[tex]12x + 22x = 180 - 19 + 9[/tex]

[tex] \frac{34x}{34} = \frac{170}{34} [/tex]

[tex]x = 5[/tex]

hope it helps....

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