.4v-3=1

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Solution for .4v-3=1 equation: 


Simplifying
0.4v + -3 = 1

Reorder the terms:
-3 + 0.4v = 1

Solving
-3 + 0.4v = 1

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '3' to each side of the equation.
-3 + 3 + 0.4v = 1 + 3

Combine like terms: -3 + 3 = 0
0 + 0.4v = 1 + 3
0.4v = 1 + 3

Combine like terms: 1 + 3 = 4
0.4v = 4

Divide each side by '0.4'.
v = 10

Simplifying
v = 10

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