-39.6=12-0.4x

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Solution for -39.6=12-0.4x equation:


Simplifying
-39.6 = 12 + -0.4x

Solving
-39.6 = 12 + -0.4x

Solving for variable 'x'.

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

Add '0.4x' to each side of the equation.
-39.6 + 0.4x = 12 + -0.4x + 0.4x

Combine like terms: -0.4x + 0.4x = 0.0
-39.6 + 0.4x = 12 + 0.0
-39.6 + 0.4x = 12

Add '39.6' to each side of the equation.
-39.6 + 39.6 + 0.4x = 12 + 39.6

Combine like terms: -39.6 + 39.6 = 0.0
0.0 + 0.4x = 12 + 39.6
0.4x = 12 + 39.6

Combine like terms: 12 + 39.6 = 51.6
0.4x = 51.6

Divide each side by '0.4'.
x = 129

Simplifying
x = 129

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