r+18=10

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Solution for r+18=10 equation: 


Simplifying
r + 18 = 10

Reorder the terms:
18 + r = 10

Solving
18 + r = 10

Solving for variable 'r'.

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

Add '-18' to each side of the equation.
18 + -18 + r = 10 + -18

Combine like terms: 18 + -18 = 0
0 + r = 10 + -18
r = 10 + -18

Combine like terms: 10 + -18 = -8
r = -8

Simplifying
r = -8

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