-5(r+2)=81

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Solution for -5(r+2)=81 equation:


Simplifying
-5(r + 2) = 81

Reorder the terms:
-5(2 + r) = 81
(2 * -5 + r * -5) = 81
(-10 + -5r) = 81

Solving
-10 + -5r = 81

Solving for variable 'r'.

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

Add '10' to each side of the equation.
-10 + 10 + -5r = 81 + 10

Combine like terms: -10 + 10 = 0
0 + -5r = 81 + 10
-5r = 81 + 10

Combine like terms: 81 + 10 = 91
-5r = 91

Divide each side by '-5'.
r = -18.2

Simplifying
r = -18.2

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