0.3x+0.3(x-1)=8.1

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Solution for 0.3x+0.3(x-1)=8.1 equation: 


Simplifying
0.3x + 0.3(x + -1) = 8.1

Reorder the terms:
0.3x + 0.3(-1 + x) = 8.1
0.3x + (-1 * 0.3 + x * 0.3) = 8.1
0.3x + (-0.3 + 0.3x) = 8.1

Reorder the terms:
-0.3 + 0.3x + 0.3x = 8.1

Combine like terms: 0.3x + 0.3x = 0.6x
-0.3 + 0.6x = 8.1

Solving
-0.3 + 0.6x = 8.1

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 + 0.6x = 8.1 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + 0.6x = 8.1 + 0.3
0.6x = 8.1 + 0.3

Combine like terms: 8.1 + 0.3 = 8.4
0.6x = 8.4

Divide each side by '0.6'.
x = 14

Simplifying
x = 14

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