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 :)