5*(r+4)=d

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Solution for 5*(r+4)=d equation: 


Simplifying
5(r + 4) = d

Reorder the terms:
5(4 + r) = d
(4 * 5 + r * 5) = d
(20 + 5r) = d

Solving
20 + 5r = d

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + -20 + 5r = -20 + d

Combine like terms: 20 + -20 = 0
0 + 5r = -20 + d
5r = -20 + d

Divide each side by '5'.
r = -4 + 0.2d

Simplifying
r = -4 + 0.2d

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