0.2x+0.3=2.1

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Solution for 0.2x+0.3=2.1 equation: 


Simplifying
0.2x + 0.3 = 2.1

Reorder the terms:
0.3 + 0.2x = 2.1

Solving
0.3 + 0.2x = 2.1

Solving for variable 'x'.

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

Add '-0.3' to each side of the equation.
0.3 + -0.3 + 0.2x = 2.1 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + 0.2x = 2.1 + -0.3
0.2x = 2.1 + -0.3

Combine like terms: 2.1 + -0.3 = 1.8
0.2x = 1.8

Divide each side by '0.2'.
x = 9

Simplifying
x = 9

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