3(4n-1)=4(n+9)-7

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Solution for 3(4n-1)=4(n+9)-7 equation:


Simplifying
3(4n + -1) = 4(n + 9) + -7

Reorder the terms:
3(-1 + 4n) = 4(n + 9) + -7
(-1 * 3 + 4n * 3) = 4(n + 9) + -7
(-3 + 12n) = 4(n + 9) + -7

Reorder the terms:
-3 + 12n = 4(9 + n) + -7
-3 + 12n = (9 * 4 + n * 4) + -7
-3 + 12n = (36 + 4n) + -7

Reorder the terms:
-3 + 12n = 36 + -7 + 4n

Combine like terms: 36 + -7 = 29
-3 + 12n = 29 + 4n

Solving
-3 + 12n = 29 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
-3 + 12n + -4n = 29 + 4n + -4n

Combine like terms: 12n + -4n = 8n
-3 + 8n = 29 + 4n + -4n

Combine like terms: 4n + -4n = 0
-3 + 8n = 29 + 0
-3 + 8n = 29

Add '3' to each side of the equation.
-3 + 3 + 8n = 29 + 3

Combine like terms: -3 + 3 = 0
0 + 8n = 29 + 3
8n = 29 + 3

Combine like terms: 29 + 3 = 32
8n = 32

Divide each side by '8'.
n = 4

Simplifying
n = 4

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