2x-21=13

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Solution for 2x-21=13 equation: 


Simplifying
2x + -21 = 13

Reorder the terms:
-21 + 2x = 13

Solving
-21 + 2x = 13

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 2x = 13 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 13 + 21
2x = 13 + 21

Combine like terms: 13 + 21 = 34
2x = 34

Divide each side by '2'.
x = 17

Simplifying
x = 17

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