3-r=2

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Solution for 3-r=2 equation: 


Simplifying
3 + -1r = 2

Solving
3 + -1r = 2

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 = 2 + -3

Combine like terms: 3 + -3 = 0
0 + -1r = 2 + -3
-1r = 2 + -3

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

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

Simplifying
r = 1

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