-1=-1r

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Solution for -1=-1r equation:


Simplifying
-1 = -1r

Solving
-1 = -1r

Solving for variable 'r'.

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

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

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

Add '1' to each side of the equation.
-1 + 1 + r = 0 + 1

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

Combine like terms: 0 + 1 = 1
r = 1

Simplifying
r = 1

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