18+5+r=

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Solution for 18+5+r= equation: 


Simplifying
18 + 5 + r = 0

Combine like terms: 18 + 5 = 23
23 + r = 0

Solving
23 + r = 0

Solving for variable 'r'.

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

Add '-23' to each side of the equation.
23 + -23 + r = 0 + -23

Combine like terms: 23 + -23 = 0
0 + r = 0 + -23
r = 0 + -23

Combine like terms: 0 + -23 = -23
r = -23

Simplifying
r = -23

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