3(3a+3)+n=20

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Solution for 3(3a+3)+n=20 equation:


Simplifying
3(3a + 3) + n = 20

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

Solving
9 + 9a + n = 20

Solving for variable 'a'.

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

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

Reorder the terms:
9 + -9 + 9a + n = 20 + -9

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

Combine like terms: 20 + -9 = 11
9a + n = 11

Add '-1n' to each side of the equation.
9a + n + -1n = 11 + -1n

Combine like terms: n + -1n = 0
9a + 0 = 11 + -1n
9a = 11 + -1n

Divide each side by '9'.
a = 1.222222222 + -0.1111111111n

Simplifying
a = 1.222222222 + -0.1111111111n

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