r-18=-19

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Solution for r-18=-19 equation:


Simplifying
r + -18 = -19

Reorder the terms:
-18 + r = -19

Solving
-18 + r = -19

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 = -19 + 18

Combine like terms: -18 + 18 = 0
0 + r = -19 + 18
r = -19 + 18

Combine like terms: -19 + 18 = -1
r = -1

Simplifying
r = -1

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