13(r+3+7s)=

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Solution for 13(r+3+7s)= equation:


Simplifying
13(r + 3 + 7s) = 0

Reorder the terms:
13(3 + r + 7s) = 0
(3 * 13 + r * 13 + 7s * 13) = 0
(39 + 13r + 91s) = 0

Solving
39 + 13r + 91s = 0

Solving for variable 'r'.

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

Add '-39' to each side of the equation.
39 + 13r + -39 + 91s = 0 + -39

Reorder the terms:
39 + -39 + 13r + 91s = 0 + -39

Combine like terms: 39 + -39 = 0
0 + 13r + 91s = 0 + -39
13r + 91s = 0 + -39

Combine like terms: 0 + -39 = -39
13r + 91s = -39

Add '-91s' to each side of the equation.
13r + 91s + -91s = -39 + -91s

Combine like terms: 91s + -91s = 0
13r + 0 = -39 + -91s
13r = -39 + -91s

Divide each side by '13'.
r = -3 + -7s

Simplifying
r = -3 + -7s

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