15x=8x+84

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Solution for 15x=8x+84 equation: 


Simplifying
15x = 8x + 84

Reorder the terms:
15x = 84 + 8x

Solving
15x = 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.
15x + -8x = 84 + 8x + -8x

Combine like terms: 15x + -8x = 7x
7x = 84 + 8x + -8x

Combine like terms: 8x + -8x = 0
7x = 84 + 0
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

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