7r-3=39

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Solution for 7r-3=39 equation: 


Simplifying
7r + -3 = 39

Reorder the terms:
-3 + 7r = 39

Solving
-3 + 7r = 39

Solving for variable 'r'.

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

Add '3' to each side of the equation.
-3 + 3 + 7r = 39 + 3

Combine like terms: -3 + 3 = 0
0 + 7r = 39 + 3
7r = 39 + 3

Combine like terms: 39 + 3 = 42
7r = 42

Divide each side by '7'.
r = 6

Simplifying
r = 6

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