21x-109=206

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Solution for 21x-109=206 equation: 


Simplifying
21x + -109 = 206

Reorder the terms:
-109 + 21x = 206

Solving
-109 + 21x = 206

Solving for variable 'x'.

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

Add '109' to each side of the equation.
-109 + 109 + 21x = 206 + 109

Combine like terms: -109 + 109 = 0
0 + 21x = 206 + 109
21x = 206 + 109

Combine like terms: 206 + 109 = 315
21x = 315

Divide each side by '21'.
x = 15

Simplifying
x = 15

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