-2+r=1

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Solution for -2+r=1 equation: 


Simplifying
-2 + r = 1

Solving
-2 + r = 1

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 + 2 + r = 1 + 2

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

Combine like terms: 1 + 2 = 3
r = 3

Simplifying
r = 3

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