Respuesta :

Answer:

x = 7

Step-by-step explanation:

0.7x-1.4=3.5

0.7x = 3.5 + 1.4

x = 4.9 / 0.7

x = 7

Answer:

x=-3

Step-by-step explanation:

0.7x-1.4=-3.5

+1.4 +1.4 Add 1.4 to both sides of the equation

---------------------------

0.7x -2.1

------- -------- Divide -2.1 and 0.7

0.7 0.7

--------------------------------

x=-3 Your answer is x=-3

I tried to show how it's solved for better understanding :)

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