100-X+56=890

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Solution for 100-X+56=890 equation:


Simplifying
100 + -1X + 56 = 890

Reorder the terms:
100 + 56 + -1X = 890

Combine like terms: 100 + 56 = 156
156 + -1X = 890

Solving
156 + -1X = 890

Solving for variable 'X'.

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

Add '-156' to each side of the equation.
156 + -156 + -1X = 890 + -156

Combine like terms: 156 + -156 = 0
0 + -1X = 890 + -156
-1X = 890 + -156

Combine like terms: 890 + -156 = 734
-1X = 734

Divide each side by '-1'.
X = -734

Simplifying
X = -734

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