8x=5x-21

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Solution for 8x=5x-21 equation: 


Simplifying
8x = 5x + -21

Reorder the terms:
8x = -21 + 5x

Solving
8x = -21 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
8x + -5x = -21 + 5x + -5x

Combine like terms: 8x + -5x = 3x
3x = -21 + 5x + -5x

Combine like terms: 5x + -5x = 0
3x = -21 + 0
3x = -21

Divide each side by '3'.
x = -7

Simplifying
x = -7

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