.4x-12=1.2x-16

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Solution for .4x-12=1.2x-16 equation:


Simplifying
0.4x + -12 = 1.2x + -16

Reorder the terms:
-12 + 0.4x = 1.2x + -16

Reorder the terms:
-12 + 0.4x = -16 + 1.2x

Solving
-12 + 0.4x = -16 + 1.2x

Solving for variable 'x'.

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

Add '-1.2x' to each side of the equation.
-12 + 0.4x + -1.2x = -16 + 1.2x + -1.2x

Combine like terms: 0.4x + -1.2x = -0.8x
-12 + -0.8x = -16 + 1.2x + -1.2x

Combine like terms: 1.2x + -1.2x = 0.0
-12 + -0.8x = -16 + 0.0
-12 + -0.8x = -16

Add '12' to each side of the equation.
-12 + 12 + -0.8x = -16 + 12

Combine like terms: -12 + 12 = 0
0 + -0.8x = -16 + 12
-0.8x = -16 + 12

Combine like terms: -16 + 12 = -4
-0.8x = -4

Divide each side by '-0.8'.
x = 5

Simplifying
x = 5

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