-30+6r=3n+-3(-8-7n)

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Solution for -30+6r=3n+-3(-8-7n) equation:


Simplifying
-30 + 6r = 3n + -3(-8 + -7n)
-30 + 6r = 3n + (-8 * -3 + -7n * -3)
-30 + 6r = 3n + (24 + 21n)

Reorder the terms:
-30 + 6r = 24 + 3n + 21n

Combine like terms: 3n + 21n = 24n
-30 + 6r = 24 + 24n

Solving
-30 + 6r = 24 + 24n

Solving for variable 'r'.

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

Add '30' to each side of the equation.
-30 + 30 + 6r = 24 + 30 + 24n

Combine like terms: -30 + 30 = 0
0 + 6r = 24 + 30 + 24n
6r = 24 + 30 + 24n

Combine like terms: 24 + 30 = 54
6r = 54 + 24n

Divide each side by '6'.
r = 9 + 4n

Simplifying
r = 9 + 4n

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