11x-21=21+8x

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Solution for 11x-21=21+8x equation:


Simplifying
11x + -21 = 21 + 8x

Reorder the terms:
-21 + 11x = 21 + 8x

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

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

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

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

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

Combine like terms: 21 + 21 = 42
3x = 42

Divide each side by '3'.
x = 14

Simplifying
x = 14

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