-3x=-4.2

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Solution for -3x=-4.2 equation: 


Simplifying
-3x = -4.2

Solving
-3x = -4.2

Solving for variable 'x'.

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

Divide each side by '-3'.
x = 1.4

Simplifying
x = 1.4

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