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 = 93
93 + 12n + 10n = 18

Combine like terms: 12n + 10n = 22n
93 + 22n = 18

Solving
93 + 22n = 18

Solving for variable 'n'.

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

Add '-93' to each side of the equation.
93 + -93 + 22n = 18 + -93

Combine like terms: 93 + -93 = 0
0 + 22n = 18 + -93
22n = 18 + -93

Combine like terms: 18 + -93 = -75
22n = -75

Divide each side by '22'.
n = -3.409090909

Simplifying
n = -3.409090909

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