8r-7=65

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Solution for 8r-7=65 equation: 


Simplifying
8r + -7 = 65

Reorder the terms:
-7 + 8r = 65

Solving
-7 + 8r = 65

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 8r = 65 + 7

Combine like terms: -7 + 7 = 0
0 + 8r = 65 + 7
8r = 65 + 7

Combine like terms: 65 + 7 = 72
8r = 72

Divide each side by '8'.
r = 9

Simplifying
r = 9

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