2x+2x=21

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Solution for 2x+2x=21 equation: 


Simplifying
2x + 2x = 21

Combine like terms: 2x + 2x = 4x
4x = 21

Solving
4x = 21

Solving for variable 'x'.

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

Divide each side by '4'.
x = 5.25

Simplifying
x = 5.25

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