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

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


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

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

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

Combine like terms: 28 + -3 = 25
25 + 20n = 3(4n + -9)

Reorder the terms:
25 + 20n = 3(-9 + 4n)
25 + 20n = (-9 * 3 + 4n * 3)
25 + 20n = (-27 + 12n)

Solving
25 + 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.
25 + 20n + -12n = -27 + 12n + -12n

Combine like terms: 20n + -12n = 8n
25 + 8n = -27 + 12n + -12n

Combine like terms: 12n + -12n = 0
25 + 8n = -27 + 0
25 + 8n = -27

Add '-25' to each side of the equation.
25 + -25 + 8n = -27 + -25

Combine like terms: 25 + -25 = 0
0 + 8n = -27 + -25
8n = -27 + -25

Combine like terms: -27 + -25 = -52
8n = -52

Divide each side by '8'.
n = -6.5

Simplifying
n = -6.5

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