x-12=.40x

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Solution for x-12=.40x equation:


Simplifying
x + -12 = 0.40x

Reorder the terms:
-12 + x = 0.40x

Solving
-12 + x = 0.40x

Solving for variable 'x'.

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

Add '-0.40x' to each side of the equation.
-12 + x + -0.40x = 0.40x + -0.40x

Combine like terms: x + -0.40x = 0.6x
-12 + 0.6x = 0.40x + -0.40x

Combine like terms: 0.40x + -0.40x = 0.00
-12 + 0.6x = 0.00

Add '12' to each side of the equation.
-12 + 12 + 0.6x = 0.00 + 12

Combine like terms: -12 + 12 = 0
0 + 0.6x = 0.00 + 12
0.6x = 0.00 + 12

Combine like terms: 0.00 + 12 = 12
0.6x = 12

Divide each side by '0.6'.
x = 20

Simplifying
x = 20

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