30-r=-8

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Solution for 30-r=-8 equation: 


Simplifying
30 + -1r = -8

Solving
30 + -1r = -8

Solving for variable 'r'.

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

Add '-30' to each side of the equation.
30 + -30 + -1r = -8 + -30

Combine like terms: 30 + -30 = 0
0 + -1r = -8 + -30
-1r = -8 + -30

Combine like terms: -8 + -30 = -38
-1r = -38

Divide each side by '-1'.
r = 38

Simplifying
r = 38

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