4x=84-8x

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Solution for 4x=84-8x equation: 


Simplifying
4x = 84 + -8x

Solving
4x = 84 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
4x + 8x = 84 + -8x + 8x

Combine like terms: 4x + 8x = 12x
12x = 84 + -8x + 8x

Combine like terms: -8x + 8x = 0
12x = 84 + 0
12x = 84

Divide each side by '12'.
x = 7

Simplifying
x = 7

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