Respuesta :
Answer:
[tex]5x + 2x = 12[/tex]
[tex]7x = 72[/tex]
[tex]x = \frac{7}{12} [/tex]
Hope it helpa
Answer:
x=12/7
Step-by-step explanation:
you will add the like terms together so 5x and 2x to get 7x and you will have 7x=12 then the 7 leads and you will divide the 12 by 7 to get 1.71 or in a fraction 12/7