2x+1.3x=21

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Solution for 2x+1.3x=21 equation: 


Simplifying
2x + 1.3x = 21

Combine like terms: 2x + 1.3x = 3.3x
3.3x = 21

Solving
3.3x = 21

Solving for variable 'x'.

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

Divide each side by '3.3'.
x = 6.363636364

Simplifying
x = 6.363636364

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