-2=-r

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Solution for -2=-r equation:


Simplifying
-2 = -1r

Solving
-2 = -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.
-2 + r = -1r + r

Combine like terms: -1r + r = 0
-2 + r = 0

Add '2' to each side of the equation.
-2 + 2 + r = 0 + 2

Combine like terms: -2 + 2 = 0
0 + r = 0 + 2
r = 0 + 2

Combine like terms: 0 + 2 = 2
r = 2

Simplifying
r = 2

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