x-rx-2=0

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Solution for x-rx-2=0 equation:


Simplifying
x + -1rx + -2 = 0

Reorder the terms:
-2 + -1rx + x = 0

Solving
-2 + -1rx + x = 0

Solving for variable 'r'.

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

Add '2' to each side of the equation.
-2 + -1rx + 2 + x = 0 + 2

Reorder the terms:
-2 + 2 + -1rx + x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1rx + x = 0 + 2
-1rx + x = 0 + 2

Combine like terms: 0 + 2 = 2
-1rx + x = 2

Add '-1x' to each side of the equation.
-1rx + x + -1x = 2 + -1x

Combine like terms: x + -1x = 0
-1rx + 0 = 2 + -1x
-1rx = 2 + -1x

Divide each side by '-1x'.
r = -2x-1 + 1

Simplifying
r = -2x-1 + 1

Reorder the terms:
r = 1 + -2x-1

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