4(5n+7)=3(4n-9)

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Solution for 4(5n+7)=3(4n-9) equation:


Simplifying
4(5n + 7) = 3(4n + -9)

Reorder the terms:
4(7 + 5n) = 3(4n + -9)
(7 * 4 + 5n * 4) = 3(4n + -9)
(28 + 20n) = 3(4n + -9)

Reorder the terms:
28 + 20n = 3(-9 + 4n)
28 + 20n = (-9 * 3 + 4n * 3)
28 + 20n = (-27 + 12n)

Solving
28 + 20n = -27 + 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
28 + 20n + -12n = -27 + 12n + -12n

Combine like terms: 20n + -12n = 8n
28 + 8n = -27 + 12n + -12n

Combine like terms: 12n + -12n = 0
28 + 8n = -27 + 0
28 + 8n = -27

Add '-28' to each side of the equation.
28 + -28 + 8n = -27 + -28

Combine like terms: 28 + -28 = 0
0 + 8n = -27 + -28
8n = -27 + -28

Combine like terms: -27 + -28 = -55
8n = -55

Divide each side by '8'.
n = -6.875

Simplifying
n = -6.875

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