6.4x-4.1(x-1)=6.9

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Solution for 6.4x-4.1(x-1)=6.9 equation: 


Simplifying
6.4x + -4.1(x + -1) = 6.9

Reorder the terms:
6.4x + -4.1(-1 + x) = 6.9
6.4x + (-1 * -4.1 + x * -4.1) = 6.9
6.4x + (4.1 + -4.1x) = 6.9

Reorder the terms:
4.1 + 6.4x + -4.1x = 6.9

Combine like terms: 6.4x + -4.1x = 2.3x
4.1 + 2.3x = 6.9

Solving
4.1 + 2.3x = 6.9

Solving for variable 'x'.

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

Add '-4.1' to each side of the equation.
4.1 + -4.1 + 2.3x = 6.9 + -4.1

Combine like terms: 4.1 + -4.1 = 0.0
0.0 + 2.3x = 6.9 + -4.1
2.3x = 6.9 + -4.1

Combine like terms: 6.9 + -4.1 = 2.8
2.3x = 2.8

Divide each side by '2.3'.
x = 1.217391304

Simplifying
x = 1.217391304

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