3x+2.2=21

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Solution for 3x+2.2=21 equation: 


Simplifying
3x + 2.2 = 21

Reorder the terms:
2.2 + 3x = 21

Solving
2.2 + 3x = 21

Solving for variable 'x'.

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

Add '-2.2' to each side of the equation.
2.2 + -2.2 + 3x = 21 + -2.2

Combine like terms: 2.2 + -2.2 = 0.0
0.0 + 3x = 21 + -2.2
3x = 21 + -2.2

Combine like terms: 21 + -2.2 = 18.8
3x = 18.8

Divide each side by '3'.
x = 6.266666667

Simplifying
x = 6.266666667

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