9=3(-5-2n)-6(1-5n)

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Solution for 9=3(-5-2n)-6(1-5n) equation:


Simplifying
9 = 3(-5 + -2n) + -6(1 + -5n)
9 = (-5 * 3 + -2n * 3) + -6(1 + -5n)
9 = (-15 + -6n) + -6(1 + -5n)
9 = -15 + -6n + (1 * -6 + -5n * -6)
9 = -15 + -6n + (-6 + 30n)

Reorder the terms:
9 = -15 + -6 + -6n + 30n

Combine like terms: -15 + -6 = -21
9 = -21 + -6n + 30n

Combine like terms: -6n + 30n = 24n
9 = -21 + 24n

Solving
9 = -21 + 24n

Solving for variable 'n'.

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

Add '-24n' to each side of the equation.
9 + -24n = -21 + 24n + -24n

Combine like terms: 24n + -24n = 0
9 + -24n = -21 + 0
9 + -24n = -21

Add '-9' to each side of the equation.
9 + -9 + -24n = -21 + -9

Combine like terms: 9 + -9 = 0
0 + -24n = -21 + -9
-24n = -21 + -9

Combine like terms: -21 + -9 = -30
-24n = -30

Divide each side by '-24'.
n = 1.25

Simplifying
n = 1.25

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