0.4x-0.6=4.2

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Solution for 0.4x-0.6=4.2 equation: 


Simplifying
0.4x + -0.6 = 4.2

Reorder the terms:
-0.6 + 0.4x = 4.2

Solving
-0.6 + 0.4x = 4.2

Solving for variable 'x'.

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

Add '0.6' to each side of the equation.
-0.6 + 0.6 + 0.4x = 4.2 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + 0.4x = 4.2 + 0.6
0.4x = 4.2 + 0.6

Combine like terms: 4.2 + 0.6 = 4.8
0.4x = 4.8

Divide each side by '0.4'.
x = 12

Simplifying
x = 12

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