5.5x-4.2(x-1)=6.5

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Solution for 5.5x-4.2(x-1)=6.5 equation: 


Simplifying
5.5x + -4.2(x + -1) = 6.5

Reorder the terms:
5.5x + -4.2(-1 + x) = 6.5
5.5x + (-1 * -4.2 + x * -4.2) = 6.5
5.5x + (4.2 + -4.2x) = 6.5

Reorder the terms:
4.2 + 5.5x + -4.2x = 6.5

Combine like terms: 5.5x + -4.2x = 1.3x
4.2 + 1.3x = 6.5

Solving
4.2 + 1.3x = 6.5

Solving for variable 'x'.

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

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 1.3x = 6.5 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 1.3x = 6.5 + -4.2
1.3x = 6.5 + -4.2

Combine like terms: 6.5 + -4.2 = 2.3
1.3x = 2.3

Divide each side by '1.3'.
x = 1.769230769

Simplifying
x = 1.769230769

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