.3x-.3(3-x)=1.8

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Solution for .3x-.3(3-x)=1.8 equation:


Simplifying
0.3x + -0.3(3 + -1x) = 1.8
0.3x + (3 * -0.3 + -1x * -0.3) = 1.8
0.3x + (-0.9 + 0.3x) = 1.8

Reorder the terms:
-0.9 + 0.3x + 0.3x = 1.8

Combine like terms: 0.3x + 0.3x = 0.6x
-0.9 + 0.6x = 1.8

Solving
-0.9 + 0.6x = 1.8

Solving for variable 'x'.

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

Add '0.9' to each side of the equation.
-0.9 + 0.9 + 0.6x = 1.8 + 0.9

Combine like terms: -0.9 + 0.9 = 0.0
0.0 + 0.6x = 1.8 + 0.9
0.6x = 1.8 + 0.9

Combine like terms: 1.8 + 0.9 = 2.7
0.6x = 2.7

Divide each side by '0.6'.
x = 4.5

Simplifying
x = 4.5

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