9n+9-3n=4n-7

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Solution for 9n+9-3n=4n-7 equation:


Simplifying
9n + 9 + -3n = 4n + -7

Reorder the terms:
9 + 9n + -3n = 4n + -7

Combine like terms: 9n + -3n = 6n
9 + 6n = 4n + -7

Reorder the terms:
9 + 6n = -7 + 4n

Solving
9 + 6n = -7 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
9 + 6n + -4n = -7 + 4n + -4n

Combine like terms: 6n + -4n = 2n
9 + 2n = -7 + 4n + -4n

Combine like terms: 4n + -4n = 0
9 + 2n = -7 + 0
9 + 2n = -7

Add '-9' to each side of the equation.
9 + -9 + 2n = -7 + -9

Combine like terms: 9 + -9 = 0
0 + 2n = -7 + -9
2n = -7 + -9

Combine like terms: -7 + -9 = -16
2n = -16

Divide each side by '2'.
n = -8

Simplifying
n = -8

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