3x-4x=-8.4

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Solution for 3x-4x=-8.4 equation: 


Simplifying
3x + -4x = -8.4

Combine like terms: 3x + -4x = -1x
-1x = -8.4

Solving
-1x = -8.4

Solving for variable 'x'.

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

Divide each side by '-1'.
x = 8.4

Simplifying
x = 8.4

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