8x=3x+21

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Solution for 8x=3x+21 equation: 


Simplifying
8x = 3x + 21

Reorder the terms:
8x = 21 + 3x

Solving
8x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
8x + -3x = 21 + 3x + -3x

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

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

Divide each side by '5'.
x = 4.2

Simplifying
x = 4.2

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