r-4-1=4

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Solution for r-4-1=4 equation: 


Simplifying
r + -4 + -1 = 4

Reorder the terms:
-4 + -1 + r = 4

Combine like terms: -4 + -1 = -5
-5 + r = 4

Solving
-5 + r = 4

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + r = 4 + 5

Combine like terms: -5 + 5 = 0
0 + r = 4 + 5
r = 4 + 5

Combine like terms: 4 + 5 = 9
r = 9

Simplifying
r = 9

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