40-8n=8(n+7)

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Solution for 40-8n=8(n+7) equation:


Simplifying
40 + -8n = 8(n + 7)

Reorder the terms:
40 + -8n = 8(7 + n)
40 + -8n = (7 * 8 + n * 8)
40 + -8n = (56 + 8n)

Solving
40 + -8n = 56 + 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.
40 + -8n + -8n = 56 + 8n + -8n

Combine like terms: -8n + -8n = -16n
40 + -16n = 56 + 8n + -8n

Combine like terms: 8n + -8n = 0
40 + -16n = 56 + 0
40 + -16n = 56

Add '-40' to each side of the equation.
40 + -40 + -16n = 56 + -40

Combine like terms: 40 + -40 = 0
0 + -16n = 56 + -40
-16n = 56 + -40

Combine like terms: 56 + -40 = 16
-16n = 16

Divide each side by '-16'.
n = -1

Simplifying
n = -1

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