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

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


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

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

Combine like terms: n + -3n = -2n
9 + 6n = 9n + -3(-2n)

Remove parenthesis around (-2n)
9 + 6n = 9n + -3 * -2n

Multiply -3 * -2
9 + 6n = 9n + 6n

Combine like terms: 9n + 6n = 15n
9 + 6n = 15n

Solving
9 + 6n = 15n

Solving for variable 'n'.

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

Add '-15n' to each side of the equation.
9 + 6n + -15n = 15n + -15n

Combine like terms: 6n + -15n = -9n
9 + -9n = 15n + -15n

Combine like terms: 15n + -15n = 0
9 + -9n = 0

Add '-9' to each side of the equation.
9 + -9 + -9n = 0 + -9

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

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

Divide each side by '-9'.
n = 1

Simplifying
n = 1

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