13(1+6r)=14-r

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Solution for 13(1+6r)=14-r equation:


Simplifying
13(1 + 6r) = 14 + -1r
(1 * 13 + 6r * 13) = 14 + -1r
(13 + 78r) = 14 + -1r

Solving
13 + 78r = 14 + -1r

Solving for variable 'r'.

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

Add 'r' to each side of the equation.
13 + 78r + r = 14 + -1r + r

Combine like terms: 78r + r = 79r
13 + 79r = 14 + -1r + r

Combine like terms: -1r + r = 0
13 + 79r = 14 + 0
13 + 79r = 14

Add '-13' to each side of the equation.
13 + -13 + 79r = 14 + -13

Combine like terms: 13 + -13 = 0
0 + 79r = 14 + -13
79r = 14 + -13

Combine like terms: 14 + -13 = 1
79r = 1

Divide each side by '79'.
r = 0.01265822785

Simplifying
r = 0.01265822785

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