-18+r=15

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Solution for -18+r=15 equation: 


Simplifying
-18 + r = 15

Solving
-18 + r = 15

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 = 15 + 18

Combine like terms: -18 + 18 = 0
0 + r = 15 + 18
r = 15 + 18

Combine like terms: 15 + 18 = 33
r = 33

Simplifying
r = 33

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