.4x+8=5.4x-12

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Solution for .4x+8=5.4x-12 equation:


Simplifying
0.4x + 8 = 5.4x + -12

Reorder the terms:
8 + 0.4x = 5.4x + -12

Reorder the terms:
8 + 0.4x = -12 + 5.4x

Solving
8 + 0.4x = -12 + 5.4x

Solving for variable 'x'.

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

Add '-5.4x' to each side of the equation.
8 + 0.4x + -5.4x = -12 + 5.4x + -5.4x

Combine like terms: 0.4x + -5.4x = -5x
8 + -5x = -12 + 5.4x + -5.4x

Combine like terms: 5.4x + -5.4x = 0.0
8 + -5x = -12 + 0.0
8 + -5x = -12

Add '-8' to each side of the equation.
8 + -8 + -5x = -12 + -8

Combine like terms: 8 + -8 = 0
0 + -5x = -12 + -8
-5x = -12 + -8

Combine like terms: -12 + -8 = -20
-5x = -20

Divide each side by '-5'.
x = 4

Simplifying
x = 4

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