6.4x-3.1(x-1)=7.1

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Solution for 6.4x-3.1(x-1)=7.1 equation: 


Simplifying
6.4x + -3.1(x + -1) = 7.1

Reorder the terms:
6.4x + -3.1(-1 + x) = 7.1
6.4x + (-1 * -3.1 + x * -3.1) = 7.1
6.4x + (3.1 + -3.1x) = 7.1

Reorder the terms:
3.1 + 6.4x + -3.1x = 7.1

Combine like terms: 6.4x + -3.1x = 3.3x
3.1 + 3.3x = 7.1

Solving
3.1 + 3.3x = 7.1

Solving for variable 'x'.

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

Add '-3.1' to each side of the equation.
3.1 + -3.1 + 3.3x = 7.1 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + 3.3x = 7.1 + -3.1
3.3x = 7.1 + -3.1

Combine like terms: 7.1 + -3.1 = 4
3.3x = 4

Divide each side by '3.3'.
x = 1.212121212

Simplifying
x = 1.212121212

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