2+3(3n-3)=20

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Solution for 2+3(3n-3)=20 equation:


Simplifying
2 + 3(3n + -3) = 20

Reorder the terms:
2 + 3(-3 + 3n) = 20
2 + (-3 * 3 + 3n * 3) = 20
2 + (-9 + 9n) = 20

Combine like terms: 2 + -9 = -7
-7 + 9n = 20

Solving
-7 + 9n = 20

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + 9n = 20 + 7

Combine like terms: -7 + 7 = 0
0 + 9n = 20 + 7
9n = 20 + 7

Combine like terms: 20 + 7 = 27
9n = 27

Divide each side by '9'.
n = 3

Simplifying
n = 3

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