x-84=.42

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Solution for x-84=.42 equation: 


Simplifying
x + -84 = 0.42

Reorder the terms:
-84 + x = 0.42

Solving
-84 + x = 0.42

Solving for variable 'x'.

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

Add '84' to each side of the equation.
-84 + 84 + x = 0.42 + 84

Combine like terms: -84 + 84 = 0
0 + x = 0.42 + 84
x = 0.42 + 84

Combine like terms: 0.42 + 84 = 84.42
x = 84.42

Simplifying
x = 84.42

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