Respuesta :

ast3y
-3

1. Add -1.4 to each side.
2. Divide by 0.7 on each side.

Hope this helps

Answer:

-3

Step-by-step explanation:

0.7x-1.4=-3.5

Add 1.4 to both sides:

0.7x=-2.1

Divide 0.7 from both sides:

x=-3