-13=5-5r-r

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Solution for -13=5-5r-r equation:


Simplifying
-13 = 5 + -5r + -1r

Combine like terms: -5r + -1r = -6r
-13 = 5 + -6r

Solving
-13 = 5 + -6r

Solving for variable 'r'.

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

Add '6r' to each side of the equation.
-13 + 6r = 5 + -6r + 6r

Combine like terms: -6r + 6r = 0
-13 + 6r = 5 + 0
-13 + 6r = 5

Add '13' to each side of the equation.
-13 + 13 + 6r = 5 + 13

Combine like terms: -13 + 13 = 0
0 + 6r = 5 + 13
6r = 5 + 13

Combine like terms: 5 + 13 = 18
6r = 18

Divide each side by '6'.
r = 3

Simplifying
r = 3

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