8=X-1

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Solution for 8=X-1 equation:


Simplifying
8 = X + -1

Reorder the terms:
8 = -1 + X

Solving
8 = -1 + X

Solving for variable 'X'.

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

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

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

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

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

Combine like terms: -1 + -8 = -9
-1X = -9

Divide each side by '-1'.
X = 9

Simplifying
X = 9

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