2x-21=5

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Solution for 2x-21=5 equation: 


Simplifying
2x + -21 = 5

Reorder the terms:
-21 + 2x = 5

Solving
-21 + 2x = 5

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 = 5 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 5 + 21
2x = 5 + 21

Combine like terms: 5 + 21 = 26
2x = 26

Divide each side by '2'.
x = 13

Simplifying
x = 13

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