-3(10n-3)-2n=7n+9

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Solution for -3(10n-3)-2n=7n+9 equation:


Simplifying
-3(10n + -3) + -2n = 7n + 9

Reorder the terms:
-3(-3 + 10n) + -2n = 7n + 9
(-3 * -3 + 10n * -3) + -2n = 7n + 9
(9 + -30n) + -2n = 7n + 9

Combine like terms: -30n + -2n = -32n
9 + -32n = 7n + 9

Reorder the terms:
9 + -32n = 9 + 7n

Add '-9' to each side of the equation.
9 + -9 + -32n = 9 + -9 + 7n

Combine like terms: 9 + -9 = 0
0 + -32n = 9 + -9 + 7n
-32n = 9 + -9 + 7n

Combine like terms: 9 + -9 = 0
-32n = 0 + 7n
-32n = 7n

Solving
-32n = 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-32n + -7n = 7n + -7n

Combine like terms: -32n + -7n = -39n
-39n = 7n + -7n

Combine like terms: 7n + -7n = 0
-39n = 0

Divide each side by '-39'.
n = 0

Simplifying
n = 0

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