12=4(7+8n-3)

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Solution for 12=4(7+8n-3) equation:


Simplifying
12 = 4(7 + 8n + -3)

Reorder the terms:
12 = 4(7 + -3 + 8n)

Combine like terms: 7 + -3 = 4
12 = 4(4 + 8n)
12 = (4 * 4 + 8n * 4)
12 = (16 + 32n)

Solving
12 = 16 + 32n

Solving for variable 'n'.

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

Add '-32n' to each side of the equation.
12 + -32n = 16 + 32n + -32n

Combine like terms: 32n + -32n = 0
12 + -32n = 16 + 0
12 + -32n = 16

Add '-12' to each side of the equation.
12 + -12 + -32n = 16 + -12

Combine like terms: 12 + -12 = 0
0 + -32n = 16 + -12
-32n = 16 + -12

Combine like terms: 16 + -12 = 4
-32n = 4

Divide each side by '-32'.
n = -0.125

Simplifying
n = -0.125

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