r+19=4

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Solution for r+19=4 equation: 


Simplifying
r + 19 = 4

Reorder the terms:
19 + r = 4

Solving
19 + r = 4

Solving for variable 'r'.

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

Add '-19' to each side of the equation.
19 + -19 + r = 4 + -19

Combine like terms: 19 + -19 = 0
0 + r = 4 + -19
r = 4 + -19

Combine like terms: 4 + -19 = -15
r = -15

Simplifying
r = -15

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