x-r=s

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Solution for x-r=s equation:


Simplifying
x + -1r = s

Reorder the terms:
-1r + x = s

Solving
-1r + x = s

Solving for variable 'r'.

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

Add '-1x' to each side of the equation.
-1r + x + -1x = s + -1x

Combine like terms: x + -1x = 0
-1r + 0 = s + -1x
-1r = s + -1x

Divide each side by '-1'.
r = -1s + x

Simplifying
r = -1s + x

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