3(4n-1)=4(2n+9)-7

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Solution for 3(4n-1)=4(2n+9)-7 equation:


Simplifying
3(4n + -1) = 4(2n + 9) + -7

Reorder the terms:
3(-1 + 4n) = 4(2n + 9) + -7
(-1 * 3 + 4n * 3) = 4(2n + 9) + -7
(-3 + 12n) = 4(2n + 9) + -7

Reorder the terms:
-3 + 12n = 4(9 + 2n) + -7
-3 + 12n = (9 * 4 + 2n * 4) + -7
-3 + 12n = (36 + 8n) + -7

Reorder the terms:
-3 + 12n = 36 + -7 + 8n

Combine like terms: 36 + -7 = 29
-3 + 12n = 29 + 8n

Solving
-3 + 12n = 29 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
-3 + 12n + -8n = 29 + 8n + -8n

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

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

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

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

Combine like terms: 29 + 3 = 32
4n = 32

Divide each side by '4'.
n = 8

Simplifying
n = 8

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