3x-8x=42

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Solution for 3x-8x=42 equation: 


Simplifying
3x + -8x = 42

Combine like terms: 3x + -8x = -5x
-5x = 42

Solving
-5x = 42

Solving for variable 'x'.

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

Divide each side by '-5'.
x = -8.4

Simplifying
x = -8.4

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