-9=-3(3n+7)-6(5n-2)

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Solution for -9=-3(3n+7)-6(5n-2) equation:


Simplifying
-9 = -3(3n + 7) + -6(5n + -2)

Reorder the terms:
-9 = -3(7 + 3n) + -6(5n + -2)
-9 = (7 * -3 + 3n * -3) + -6(5n + -2)
-9 = (-21 + -9n) + -6(5n + -2)

Reorder the terms:
-9 = -21 + -9n + -6(-2 + 5n)
-9 = -21 + -9n + (-2 * -6 + 5n * -6)
-9 = -21 + -9n + (12 + -30n)

Reorder the terms:
-9 = -21 + 12 + -9n + -30n

Combine like terms: -21 + 12 = -9
-9 = -9 + -9n + -30n

Combine like terms: -9n + -30n = -39n
-9 = -9 + -39n

Add '9' to each side of the equation.
-9 + 9 = -9 + 9 + -39n

Combine like terms: -9 + 9 = 0
0 = -9 + 9 + -39n

Combine like terms: -9 + 9 = 0
0 = 0 + -39n
0 = -39n

Solving
0 = -39n

Solving for variable 'n'.

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

Add '39n' to each side of the equation.
0 + 39n = -39n + 39n
Remove the zero:
39n = -39n + 39n

Combine like terms: -39n + 39n = 0
39n = 0

Divide each side by '39'.
n = 0

Simplifying
n = 0

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