3(4n+5)-7=2n+8

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Solution for 3(4n+5)-7=2n+8 equation:


Simplifying
3(4n + 5) + -7 = 2n + 8

Reorder the terms:
3(5 + 4n) + -7 = 2n + 8
(5 * 3 + 4n * 3) + -7 = 2n + 8
(15 + 12n) + -7 = 2n + 8

Reorder the terms:
15 + -7 + 12n = 2n + 8

Combine like terms: 15 + -7 = 8
8 + 12n = 2n + 8

Reorder the terms:
8 + 12n = 8 + 2n

Add '-8' to each side of the equation.
8 + -8 + 12n = 8 + -8 + 2n

Combine like terms: 8 + -8 = 0
0 + 12n = 8 + -8 + 2n
12n = 8 + -8 + 2n

Combine like terms: 8 + -8 = 0
12n = 0 + 2n
12n = 2n

Solving
12n = 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
12n + -2n = 2n + -2n

Combine like terms: 12n + -2n = 10n
10n = 2n + -2n

Combine like terms: 2n + -2n = 0
10n = 0

Divide each side by '10'.
n = 0.0

Simplifying
n = 0.0

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