3n+9=-7(n+9)+6(11-5n)

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Solution for 3n+9=-7(n+9)+6(11-5n) equation:


Simplifying
3n + 9 = -7(n + 9) + 6(11 + -5n)

Reorder the terms:
9 + 3n = -7(n + 9) + 6(11 + -5n)

Reorder the terms:
9 + 3n = -7(9 + n) + 6(11 + -5n)
9 + 3n = (9 * -7 + n * -7) + 6(11 + -5n)
9 + 3n = (-63 + -7n) + 6(11 + -5n)
9 + 3n = -63 + -7n + (11 * 6 + -5n * 6)
9 + 3n = -63 + -7n + (66 + -30n)

Reorder the terms:
9 + 3n = -63 + 66 + -7n + -30n

Combine like terms: -63 + 66 = 3
9 + 3n = 3 + -7n + -30n

Combine like terms: -7n + -30n = -37n
9 + 3n = 3 + -37n

Solving
9 + 3n = 3 + -37n

Solving for variable 'n'.

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

Add '37n' to each side of the equation.
9 + 3n + 37n = 3 + -37n + 37n

Combine like terms: 3n + 37n = 40n
9 + 40n = 3 + -37n + 37n

Combine like terms: -37n + 37n = 0
9 + 40n = 3 + 0
9 + 40n = 3

Add '-9' to each side of the equation.
9 + -9 + 40n = 3 + -9

Combine like terms: 9 + -9 = 0
0 + 40n = 3 + -9
40n = 3 + -9

Combine like terms: 3 + -9 = -6
40n = -6

Divide each side by '40'.
n = -0.15

Simplifying
n = -0.15

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