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

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


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

Combine like terms: 4n + -1n = 3n
3(1 + 3n) + -2(5n + -3) = 25
(1 * 3 + 3n * 3) + -2(5n + -3) = 25
(3 + 9n) + -2(5n + -3) = 25

Reorder the terms:
3 + 9n + -2(-3 + 5n) = 25
3 + 9n + (-3 * -2 + 5n * -2) = 25
3 + 9n + (6 + -10n) = 25

Reorder the terms:
3 + 6 + 9n + -10n = 25

Combine like terms: 3 + 6 = 9
9 + 9n + -10n = 25

Combine like terms: 9n + -10n = -1n
9 + -1n = 25

Solving
9 + -1n = 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 + -1n = 25 + -9

Combine like terms: 9 + -9 = 0
0 + -1n = 25 + -9
-1n = 25 + -9

Combine like terms: 25 + -9 = 16
-1n = 16

Divide each side by '-1'.
n = -16

Simplifying
n = -16

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