Respuesta :

Answer:

70x-100=850 

Step-by-step explanation:

70x-100=850

We move all terms to the left:

70x-100-(850)=0

We add all the numbers together, and all the variables

70x-950=0

We move all terms containing x to the left, all other terms to the right

70x=950

x=950/70

x=13+4/7