40-5n=8n+3(8-7n)

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Solution for 40-5n=8n+3(8-7n) equation:


Simplifying
40 + -5n = 8n + 3(8 + -7n)
40 + -5n = 8n + (8 * 3 + -7n * 3)
40 + -5n = 8n + (24 + -21n)

Reorder the terms:
40 + -5n = 24 + 8n + -21n

Combine like terms: 8n + -21n = -13n
40 + -5n = 24 + -13n

Solving
40 + -5n = 24 + -13n

Solving for variable 'n'.

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

Add '13n' to each side of the equation.
40 + -5n + 13n = 24 + -13n + 13n

Combine like terms: -5n + 13n = 8n
40 + 8n = 24 + -13n + 13n

Combine like terms: -13n + 13n = 0
40 + 8n = 24 + 0
40 + 8n = 24

Add '-40' to each side of the equation.
40 + -40 + 8n = 24 + -40

Combine like terms: 40 + -40 = 0
0 + 8n = 24 + -40
8n = 24 + -40

Combine like terms: 24 + -40 = -16
8n = -16

Divide each side by '8'.
n = -2

Simplifying
n = -2

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