8(n-3)-4(n+12)=-28

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Solution for 8(n-3)-4(n+12)=-28 equation:


Simplifying
8(n + -3) + -4(n + 12) = -28

Reorder the terms:
8(-3 + n) + -4(n + 12) = -28
(-3 * 8 + n * 8) + -4(n + 12) = -28
(-24 + 8n) + -4(n + 12) = -28

Reorder the terms:
-24 + 8n + -4(12 + n) = -28
-24 + 8n + (12 * -4 + n * -4) = -28
-24 + 8n + (-48 + -4n) = -28

Reorder the terms:
-24 + -48 + 8n + -4n = -28

Combine like terms: -24 + -48 = -72
-72 + 8n + -4n = -28

Combine like terms: 8n + -4n = 4n
-72 + 4n = -28

Solving
-72 + 4n = -28

Solving for variable 'n'.

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

Add '72' to each side of the equation.
-72 + 72 + 4n = -28 + 72

Combine like terms: -72 + 72 = 0
0 + 4n = -28 + 72
4n = -28 + 72

Combine like terms: -28 + 72 = 44
4n = 44

Divide each side by '4'.
n = 11

Simplifying
n = 11

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