4-8n=-5(3n+9)

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Solution for 4-8n=-5(3n+9) equation:


Simplifying
4 + -8n = -5(3n + 9)

Reorder the terms:
4 + -8n = -5(9 + 3n)
4 + -8n = (9 * -5 + 3n * -5)
4 + -8n = (-45 + -15n)

Solving
4 + -8n = -45 + -15n

Solving for variable 'n'.

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

Add '15n' to each side of the equation.
4 + -8n + 15n = -45 + -15n + 15n

Combine like terms: -8n + 15n = 7n
4 + 7n = -45 + -15n + 15n

Combine like terms: -15n + 15n = 0
4 + 7n = -45 + 0
4 + 7n = -45

Add '-4' to each side of the equation.
4 + -4 + 7n = -45 + -4

Combine like terms: 4 + -4 = 0
0 + 7n = -45 + -4
7n = -45 + -4

Combine like terms: -45 + -4 = -49
7n = -49

Divide each side by '7'.
n = -7

Simplifying
n = -7

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