387=3+8(8-8n)

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Solution for 387=3+8(8-8n) equation:


Simplifying
387 = 3 + 8(8 + -8n)
387 = 3 + (8 * 8 + -8n * 8)
387 = 3 + (64 + -64n)

Combine like terms: 3 + 64 = 67
387 = 67 + -64n

Solving
387 = 67 + -64n

Solving for variable 'n'.

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

Add '64n' to each side of the equation.
387 + 64n = 67 + -64n + 64n

Combine like terms: -64n + 64n = 0
387 + 64n = 67 + 0
387 + 64n = 67

Add '-387' to each side of the equation.
387 + -387 + 64n = 67 + -387

Combine like terms: 387 + -387 = 0
0 + 64n = 67 + -387
64n = 67 + -387

Combine like terms: 67 + -387 = -320
64n = -320

Divide each side by '64'.
n = -5

Simplifying
n = -5

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