12(4+n)+5(2n-9)=18

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Solution for 12(4+n)+5(2n-9)=18 equation:


Simplifying
12(4 + n) + 5(2n + -9) = 18
(4 * 12 + n * 12) + 5(2n + -9) = 18
(48 + 12n) + 5(2n + -9) = 18

Reorder the terms:
48 + 12n + 5(-9 + 2n) = 18
48 + 12n + (-9 * 5 + 2n * 5) = 18
48 + 12n + (-45 + 10n) = 18

Reorder the terms:
48 + -45 + 12n + 10n = 18

Combine like terms: 48 + -45 = 3
3 + 12n + 10n = 18

Combine like terms: 12n + 10n = 22n
3 + 22n = 18

Solving
3 + 22n = 18

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 22n = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 22n = 18 + -3
22n = 18 + -3

Combine like terms: 18 + -3 = 15
22n = 15

Divide each side by '22'.
n = 0.6818181818

Simplifying
n = 0.6818181818

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