11x=8x+21

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Solution for 11x=8x+21 equation: 


Simplifying
11x = 8x + 21

Reorder the terms:
11x = 21 + 8x

Solving
11x = 21 + 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.
11x + -8x = 21 + 8x + -8x

Combine like terms: 11x + -8x = 3x
3x = 21 + 8x + -8x

Combine like terms: 8x + -8x = 0
3x = 21 + 0
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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