11.8+2x=21

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Solution for 11.8+2x=21 equation: 


Simplifying
11.8 + 2x = 21

Solving
11.8 + 2x = 21

Solving for variable 'x'.

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

Add '-11.8' to each side of the equation.
11.8 + -11.8 + 2x = 21 + -11.8

Combine like terms: 11.8 + -11.8 = 0.0
0.0 + 2x = 21 + -11.8
2x = 21 + -11.8

Combine like terms: 21 + -11.8 = 9.2
2x = 9.2

Divide each side by '2'.
x = 4.6

Simplifying
x = 4.6

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