1000-x=100

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Solution for 1000-x=100 equation:


Simplifying
1000 + -1x = 100

Solving
1000 + -1x = 100

Solving for variable 'x'.

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

Add '-1000' to each side of the equation.
1000 + -1000 + -1x = 100 + -1000

Combine like terms: 1000 + -1000 = 0
0 + -1x = 100 + -1000
-1x = 100 + -1000

Combine like terms: 100 + -1000 = -900
-1x = -900

Divide each side by '-1'.
x = 900

Simplifying
x = 900

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