-r+18=-39

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Solution for -r+18=-39 equation: 


Simplifying
-1r + 18 = -39

Reorder the terms:
18 + -1r = -39

Solving
18 + -1r = -39

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 + -1r = -39 + -18

Combine like terms: 18 + -18 = 0
0 + -1r = -39 + -18
-1r = -39 + -18

Combine like terms: -39 + -18 = -57
-1r = -57

Divide each side by '-1'.
r = 57

Simplifying
r = 57

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