3-(X-1)=8

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Solution for 3-(X-1)=8 equation:


Simplifying
3 + -1(X + -1) = 8

Reorder the terms:
3 + -1(-1 + X) = 8
3 + (-1 * -1 + X * -1) = 8
3 + (1 + -1X) = 8

Combine like terms: 3 + 1 = 4
4 + -1X = 8

Solving
4 + -1X = 8

Solving for variable 'X'.

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

Add '-4' to each side of the equation.
4 + -4 + -1X = 8 + -4

Combine like terms: 4 + -4 = 0
0 + -1X = 8 + -4
-1X = 8 + -4

Combine like terms: 8 + -4 = 4
-1X = 4

Divide each side by '-1'.
X = -4

Simplifying
X = -4

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