7(r+5)=84

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Solution for 7(r+5)=84 equation: 


Simplifying
7(r + 5) = 84

Reorder the terms:
7(5 + r) = 84
(5 * 7 + r * 7) = 84
(35 + 7r) = 84

Solving
35 + 7r = 84

Solving for variable 'r'.

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

Add '-35' to each side of the equation.
35 + -35 + 7r = 84 + -35

Combine like terms: 35 + -35 = 0
0 + 7r = 84 + -35
7r = 84 + -35

Combine like terms: 84 + -35 = 49
7r = 49

Divide each side by '7'.
r = 7

Simplifying
r = 7

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