2(x-1)-1=8

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Solution for 2(x-1)-1=8 equation: 


Simplifying
2(x + -1) + -1 = 8

Reorder the terms:
2(-1 + x) + -1 = 8
(-1 * 2 + x * 2) + -1 = 8
(-2 + 2x) + -1 = 8

Reorder the terms:
-2 + -1 + 2x = 8

Combine like terms: -2 + -1 = -3
-3 + 2x = 8

Solving
-3 + 2x = 8

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 2x = 8 + 3

Combine like terms: -3 + 3 = 0
0 + 2x = 8 + 3
2x = 8 + 3

Combine like terms: 8 + 3 = 11
2x = 11

Divide each side by '2'.
x = 5.5

Simplifying
x = 5.5

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