3=5-r

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Solution for 3=5-r equation: 


Simplifying
3 = 5 + -1r

Solving
3 = 5 + -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.
3 + r = 5 + -1r + r

Combine like terms: -1r + r = 0
3 + r = 5 + 0
3 + r = 5

Add '-3' to each side of the equation.
3 + -3 + r = 5 + -3

Combine like terms: 3 + -3 = 0
0 + r = 5 + -3
r = 5 + -3

Combine like terms: 5 + -3 = 2
r = 2

Simplifying
r = 2

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