20+9n=-5(8n+7)

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Solution for 20+9n=-5(8n+7) equation:


Simplifying
20 + 9n = -5(8n + 7)

Reorder the terms:
20 + 9n = -5(7 + 8n)
20 + 9n = (7 * -5 + 8n * -5)
20 + 9n = (-35 + -40n)

Solving
20 + 9n = -35 + -40n

Solving for variable 'n'.

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

Add '40n' to each side of the equation.
20 + 9n + 40n = -35 + -40n + 40n

Combine like terms: 9n + 40n = 49n
20 + 49n = -35 + -40n + 40n

Combine like terms: -40n + 40n = 0
20 + 49n = -35 + 0
20 + 49n = -35

Add '-20' to each side of the equation.
20 + -20 + 49n = -35 + -20

Combine like terms: 20 + -20 = 0
0 + 49n = -35 + -20
49n = -35 + -20

Combine like terms: -35 + -20 = -55
49n = -55

Divide each side by '49'.
n = -1.12244898

Simplifying
n = -1.12244898

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