rx-e=r

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Solution for rx-e=r equation:


Simplifying
rx + -1e = r

Reorder the terms:
-1e + rx = r

Solving
-1e + rx = r

Solving for variable 'e'.

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

Add '-1rx' to each side of the equation.
-1e + rx + -1rx = r + -1rx

Combine like terms: rx + -1rx = 0
-1e + 0 = r + -1rx
-1e = r + -1rx

Divide each side by '-1'.
e = -1r + rx

Simplifying
e = -1r + rx

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