3=2r+1

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Solution for 3=2r+1 equation:


Simplifying
3 = 2r + 1

Reorder the terms:
3 = 1 + 2r

Solving
3 = 1 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
3 + -2r = 1 + 2r + -2r

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

Add '-3' to each side of the equation.
3 + -3 + -2r = 1 + -3

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

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

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

Simplifying
r = 1

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