0.4x+8=1.2x-2

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Solution for 0.4x+8=1.2x-2 equation:


Simplifying
0.4x + 8 = 1.2x + -2

Reorder the terms:
8 + 0.4x = 1.2x + -2

Reorder the terms:
8 + 0.4x = -2 + 1.2x

Solving
8 + 0.4x = -2 + 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.
8 + 0.4x + -1.2x = -2 + 1.2x + -1.2x

Combine like terms: 0.4x + -1.2x = -0.8x
8 + -0.8x = -2 + 1.2x + -1.2x

Combine like terms: 1.2x + -1.2x = 0.0
8 + -0.8x = -2 + 0.0
8 + -0.8x = -2

Add '-8' to each side of the equation.
8 + -8 + -0.8x = -2 + -8

Combine like terms: 8 + -8 = 0
0 + -0.8x = -2 + -8
-0.8x = -2 + -8

Combine like terms: -2 + -8 = -10
-0.8x = -10

Divide each side by '-0.8'.
x = 12.5

Simplifying
x = 12.5

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