9+3n=(4+5)3-6

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Solution for 9+3n=(4+5)3-6 equation:


Simplifying
9 + 3n = (4 + 5) * 3 + -6

Combine like terms: 4 + 5 = 9
9 + 3n = (9) * 3 + -6

Multiply 9 * 3
9 + 3n = 27 + -6

Combine like terms: 27 + -6 = 21
9 + 3n = 21

Solving
9 + 3n = 21

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 3n = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 3n = 21 + -9
3n = 21 + -9

Combine like terms: 21 + -9 = 12
3n = 12

Divide each side by '3'.
n = 4

Simplifying
n = 4

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