0.3x+0.7(x-0.1)=12.82

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Solution for 0.3x+0.7(x-0.1)=12.82 equation: 


Simplifying
0.3x + 0.7(x + -0.1) = 12.82

Reorder the terms:
0.3x + 0.7(-0.1 + x) = 12.82
0.3x + (-0.1 * 0.7 + x * 0.7) = 12.82
0.3x + (-0.07 + 0.7x) = 12.82

Reorder the terms:
-0.07 + 0.3x + 0.7x = 12.82

Combine like terms: 0.3x + 0.7x = 1x
-0.07 + 1x = 12.82

Solving
-0.07 + 1x = 12.82

Solving for variable 'x'.

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

Add '0.07' to each side of the equation.
-0.07 + 0.07 + 1x = 12.82 + 0.07

Combine like terms: -0.07 + 0.07 = 0.00
0.00 + 1x = 12.82 + 0.07
1x = 12.82 + 0.07

Combine like terms: 12.82 + 0.07 = 12.89
1x = 12.89

Divide each side by '1'.
x = 12.89

Simplifying
x = 12.89

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