9.9+x=18

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Solution for 9.9+x=18 equation: 


Simplifying
9.9 + x = 18

Solving
9.9 + x = 18

Solving for variable 'x'.

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

Add '-9.9' to each side of the equation.
9.9 + -9.9 + x = 18 + -9.9

Combine like terms: 9.9 + -9.9 = 0.0
0.0 + x = 18 + -9.9
x = 18 + -9.9

Combine like terms: 18 + -9.9 = 8.1
x = 8.1

Simplifying
x = 8.1

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