(r+4)=0

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Solution for (r+4)=0 equation: 


Simplifying
(r + 4) = 0

Reorder the terms:
(4 + r) = 0

Remove parenthesis around (4 + r)
4 + r = 0

Solving
4 + r = 0

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 = 0 + -4

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

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

Simplifying
r = -4

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