6.9-r=-38.1

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Solution for 6.9-r=-38.1 equation: 


Simplifying
6.9 + -1r = -38.1

Solving
6.9 + -1r = -38.1

Solving for variable 'r'.

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

Add '-6.9' to each side of the equation.
6.9 + -6.9 + -1r = -38.1 + -6.9

Combine like terms: 6.9 + -6.9 = 0.0
0.0 + -1r = -38.1 + -6.9
-1r = -38.1 + -6.9

Combine like terms: -38.1 + -6.9 = -45
-1r = -45

Divide each side by '-1'.
r = 45

Simplifying
r = 45

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