3(1+4n)-2(5n+6)=25

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Solution for 3(1+4n)-2(5n+6)=25 equation:


Simplifying
3(1 + 4n) + -2(5n + 6) = 25
(1 * 3 + 4n * 3) + -2(5n + 6) = 25
(3 + 12n) + -2(5n + 6) = 25

Reorder the terms:
3 + 12n + -2(6 + 5n) = 25
3 + 12n + (6 * -2 + 5n * -2) = 25
3 + 12n + (-12 + -10n) = 25

Reorder the terms:
3 + -12 + 12n + -10n = 25

Combine like terms: 3 + -12 = -9
-9 + 12n + -10n = 25

Combine like terms: 12n + -10n = 2n
-9 + 2n = 25

Solving
-9 + 2n = 25

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 9 + 2n = 25 + 9

Combine like terms: -9 + 9 = 0
0 + 2n = 25 + 9
2n = 25 + 9

Combine like terms: 25 + 9 = 34
2n = 34

Divide each side by '2'.
n = 17

Simplifying
n = 17

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