-4.2-3x=6.9

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Solution for -4.2-3x=6.9 equation: 


Simplifying
-4.2 + -3x = 6.9

Solving
-4.2 + -3x = 6.9

Solving for variable 'x'.

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

Add '4.2' to each side of the equation.
-4.2 + 4.2 + -3x = 6.9 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + -3x = 6.9 + 4.2
-3x = 6.9 + 4.2

Combine like terms: 6.9 + 4.2 = 11.1
-3x = 11.1

Divide each side by '-3'.
x = -3.7

Simplifying
x = -3.7

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