r*(7+1)=24

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Solution for r*(7+1)=24 equation: 


Simplifying
r(7 + 1) = 24

Combine like terms: 7 + 1 = 8
r(8) = 24

Reorder the terms for easier multiplication:
8r = 24

Solving
8r = 24

Solving for variable 'r'.

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

Divide each side by '8'.
r = 3

Simplifying
r = 3

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