r+4=1

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Solution for r+4=1 equation: 


Simplifying
r + 4 = 1

Reorder the terms:
4 + r = 1

Solving
4 + r = 1

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + r = 1 + -4

Combine like terms: 4 + -4 = 0
0 + r = 1 + -4
r = 1 + -4

Combine like terms: 1 + -4 = -3
r = -3

Simplifying
r = -3

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