-30-2n=-8(n+7)-4

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Solution for -30-2n=-8(n+7)-4 equation:


Simplifying
-30 + -2n = -8(n + 7) + -4

Reorder the terms:
-30 + -2n = -8(7 + n) + -4
-30 + -2n = (7 * -8 + n * -8) + -4
-30 + -2n = (-56 + -8n) + -4

Reorder the terms:
-30 + -2n = -56 + -4 + -8n

Combine like terms: -56 + -4 = -60
-30 + -2n = -60 + -8n

Solving
-30 + -2n = -60 + -8n

Solving for variable 'n'.

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

Add '8n' to each side of the equation.
-30 + -2n + 8n = -60 + -8n + 8n

Combine like terms: -2n + 8n = 6n
-30 + 6n = -60 + -8n + 8n

Combine like terms: -8n + 8n = 0
-30 + 6n = -60 + 0
-30 + 6n = -60

Add '30' to each side of the equation.
-30 + 30 + 6n = -60 + 30

Combine like terms: -30 + 30 = 0
0 + 6n = -60 + 30
6n = -60 + 30

Combine like terms: -60 + 30 = -30
6n = -30

Divide each side by '6'.
n = -5

Simplifying
n = -5

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