r+38=18

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Solution for r+38=18 equation: 


Simplifying
r + 38 = 18

Reorder the terms:
38 + r = 18

Solving
38 + r = 18

Solving for variable 'r'.

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

Add '-38' to each side of the equation.
38 + -38 + r = 18 + -38

Combine like terms: 38 + -38 = 0
0 + r = 18 + -38
r = 18 + -38

Combine like terms: 18 + -38 = -20
r = -20

Simplifying
r = -20

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