0.9-3x=42

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Solution for 0.9-3x=42 equation: 


Simplifying
0.9 + -3x = 42

Solving
0.9 + -3x = 42

Solving for variable 'x'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + -3x = 42 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + -3x = 42 + -0.9
-3x = 42 + -0.9

Combine like terms: 42 + -0.9 = 41.1
-3x = 41.1

Divide each side by '-3'.
x = -13.7

Simplifying
x = -13.7

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