6.4x-3.2(x-1)=6.9

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Solution for 6.4x-3.2(x-1)=6.9 equation: 


Simplifying
6.4x + -3.2(x + -1) = 6.9

Reorder the terms:
6.4x + -3.2(-1 + x) = 6.9
6.4x + (-1 * -3.2 + x * -3.2) = 6.9
6.4x + (3.2 + -3.2x) = 6.9

Reorder the terms:
3.2 + 6.4x + -3.2x = 6.9

Combine like terms: 6.4x + -3.2x = 3.2x
3.2 + 3.2x = 6.9

Solving
3.2 + 3.2x = 6.9

Solving for variable 'x'.

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

Add '-3.2' to each side of the equation.
3.2 + -3.2 + 3.2x = 6.9 + -3.2

Combine like terms: 3.2 + -3.2 = 0.0
0.0 + 3.2x = 6.9 + -3.2
3.2x = 6.9 + -3.2

Combine like terms: 6.9 + -3.2 = 3.7
3.2x = 3.7

Divide each side by '3.2'.
x = 1.15625

Simplifying
x = 1.15625

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