Answer:
-3
Explanation:
Solve this 2-step linear equation by first adding the opposite of the unwanted constant.
0.7x -1.4 = -3.5 . . . . . . . given
0.7x = -2.1 . . . . . . . . . add 1.4 to both sides
x = -2.1/0.7 = -3 . . . . divide by the coefficient of x
The value of x in the equation is -3.