0.4x-9=-3

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Solution for 0.4x-9=-3 equation: 


Simplifying
0.4x + -9 = -3

Reorder the terms:
-9 + 0.4x = -3

Solving
-9 + 0.4x = -3

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 0.4x = -3 + 9

Combine like terms: -9 + 9 = 0
0 + 0.4x = -3 + 9
0.4x = -3 + 9

Combine like terms: -3 + 9 = 6
0.4x = 6

Divide each side by '0.4'.
x = 15

Simplifying
x = 15

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