-8n-9(n+5)=-8n-12(-5+2n)

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Solution for -8n-9(n+5)=-8n-12(-5+2n) equation:


Simplifying
-8n + -9(n + 5) = -8n + -12(-5 + 2n)

Reorder the terms:
-8n + -9(5 + n) = -8n + -12(-5 + 2n)
-8n + (5 * -9 + n * -9) = -8n + -12(-5 + 2n)
-8n + (-45 + -9n) = -8n + -12(-5 + 2n)

Reorder the terms:
-45 + -8n + -9n = -8n + -12(-5 + 2n)

Combine like terms: -8n + -9n = -17n
-45 + -17n = -8n + -12(-5 + 2n)
-45 + -17n = -8n + (-5 * -12 + 2n * -12)
-45 + -17n = -8n + (60 + -24n)

Reorder the terms:
-45 + -17n = 60 + -8n + -24n

Combine like terms: -8n + -24n = -32n
-45 + -17n = 60 + -32n

Solving
-45 + -17n = 60 + -32n

Solving for variable 'n'.

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

Add '32n' to each side of the equation.
-45 + -17n + 32n = 60 + -32n + 32n

Combine like terms: -17n + 32n = 15n
-45 + 15n = 60 + -32n + 32n

Combine like terms: -32n + 32n = 0
-45 + 15n = 60 + 0
-45 + 15n = 60

Add '45' to each side of the equation.
-45 + 45 + 15n = 60 + 45

Combine like terms: -45 + 45 = 0
0 + 15n = 60 + 45
15n = 60 + 45

Combine like terms: 60 + 45 = 105
15n = 105

Divide each side by '15'.
n = 7

Simplifying
n = 7

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