5x=84-7x

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Solution for 5x=84-7x equation: 


Simplifying
5x = 84 + -7x

Solving
5x = 84 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
5x + 7x = 84 + -7x + 7x

Combine like terms: 5x + 7x = 12x
12x = 84 + -7x + 7x

Combine like terms: -7x + 7x = 0
12x = 84 + 0
12x = 84

Divide each side by '12'.
x = 7

Simplifying
x = 7

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