st-r=d

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Solution for st-r=d equation:


Simplifying
st + -1r = d

Reorder the terms:
-1r + st = d

Solving
-1r + st = d

Solving for variable 'r'.

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

Add '-1st' to each side of the equation.
-1r + st + -1st = d + -1st

Combine like terms: st + -1st = 0
-1r + 0 = d + -1st
-1r = d + -1st

Divide each side by '-1'.
r = -1d + st

Simplifying
r = -1d + st

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