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

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


Simplifying
30 + -8n = -3(7n + 3)

Reorder the terms:
30 + -8n = -3(3 + 7n)
30 + -8n = (3 * -3 + 7n * -3)
30 + -8n = (-9 + -21n)

Solving
30 + -8n = -9 + -21n

Solving for variable 'n'.

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

Add '21n' to each side of the equation.
30 + -8n + 21n = -9 + -21n + 21n

Combine like terms: -8n + 21n = 13n
30 + 13n = -9 + -21n + 21n

Combine like terms: -21n + 21n = 0
30 + 13n = -9 + 0
30 + 13n = -9

Add '-30' to each side of the equation.
30 + -30 + 13n = -9 + -30

Combine like terms: 30 + -30 = 0
0 + 13n = -9 + -30
13n = -9 + -30

Combine like terms: -9 + -30 = -39
13n = -39

Divide each side by '13'.
n = -3

Simplifying
n = -3

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