(r+12)5=13

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Solution for (r+12)5=13 equation:


Simplifying
(r + 12) * 5 = 13

Reorder the terms:
(12 + r) * 5 = 13

Reorder the terms for easier multiplication:
5(12 + r) = 13
(12 * 5 + r * 5) = 13
(60 + 5r) = 13

Solving
60 + 5r = 13

Solving for variable 'r'.

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

Add '-60' to each side of the equation.
60 + -60 + 5r = 13 + -60

Combine like terms: 60 + -60 = 0
0 + 5r = 13 + -60
5r = 13 + -60

Combine like terms: 13 + -60 = -47
5r = -47

Divide each side by '5'.
r = -9.4

Simplifying
r = -9.4

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