X*0.4+12=X-12

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Solution for X*0.4+12=X-12 equation:


Simplifying
X * 0.4 + 12 = X + -12

Reorder the terms for easier multiplication:
0.4X + 12 = X + -12

Reorder the terms:
12 + 0.4X = X + -12

Reorder the terms:
12 + 0.4X = -12 + X

Solving
12 + 0.4X = -12 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
12 + 0.4X + -1X = -12 + X + -1X

Combine like terms: 0.4X + -1X = -0.6X
12 + -0.6X = -12 + X + -1X

Combine like terms: X + -1X = 0
12 + -0.6X = -12 + 0
12 + -0.6X = -12

Add '-12' to each side of the equation.
12 + -12 + -0.6X = -12 + -12

Combine like terms: 12 + -12 = 0
0 + -0.6X = -12 + -12
-0.6X = -12 + -12

Combine like terms: -12 + -12 = -24
-0.6X = -24

Divide each side by '-0.6'.
X = 40

Simplifying
X = 40

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