39=6r+9

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Solution for 39=6r+9 equation:


Simplifying
39 = 6r + 9

Reorder the terms:
39 = 9 + 6r

Solving
39 = 9 + 6r

Solving for variable 'r'.

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

Add '-6r' to each side of the equation.
39 + -6r = 9 + 6r + -6r

Combine like terms: 6r + -6r = 0
39 + -6r = 9 + 0
39 + -6r = 9

Add '-39' to each side of the equation.
39 + -39 + -6r = 9 + -39

Combine like terms: 39 + -39 = 0
0 + -6r = 9 + -39
-6r = 9 + -39

Combine like terms: 9 + -39 = -30
-6r = -30

Divide each side by '-6'.
r = 5

Simplifying
r = 5

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