2-r+1=1

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Solution for 2-r+1=1 equation: 


Simplifying
2 + -1r + 1 = 1

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

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

Solving
3 + -1r = 1

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + -1r = 1 + -3

Combine like terms: 3 + -3 = 0
0 + -1r = 1 + -3
-1r = 1 + -3

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

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

Simplifying
r = 2

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