40+8n=7(4n+1)-7

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Solution for 40+8n=7(4n+1)-7 equation:


Simplifying
40 + 8n = 7(4n + 1) + -7

Reorder the terms:
40 + 8n = 7(1 + 4n) + -7
40 + 8n = (1 * 7 + 4n * 7) + -7
40 + 8n = (7 + 28n) + -7

Reorder the terms:
40 + 8n = 7 + -7 + 28n

Combine like terms: 7 + -7 = 0
40 + 8n = 0 + 28n
40 + 8n = 28n

Solving
40 + 8n = 28n

Solving for variable 'n'.

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

Add '-28n' to each side of the equation.
40 + 8n + -28n = 28n + -28n

Combine like terms: 8n + -28n = -20n
40 + -20n = 28n + -28n

Combine like terms: 28n + -28n = 0
40 + -20n = 0

Add '-40' to each side of the equation.
40 + -40 + -20n = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -20n = 0 + -40
-20n = 0 + -40

Combine like terms: 0 + -40 = -40
-20n = -40

Divide each side by '-20'.
n = 2

Simplifying
n = 2

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