2[n-7]+3=9

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Solution for 2[n-7]+3=9 equation:


Simplifying
2[n + -7] + 3 = 9

Reorder the terms:
2[-7 + n] + 3 = 9
[-7 * 2 + n * 2] + 3 = 9
[-14 + 2n] + 3 = 9

Reorder the terms:
-14 + 3 + 2n = 9

Combine like terms: -14 + 3 = -11
-11 + 2n = 9

Solving
-11 + 2n = 9

Solving for variable 'n'.

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

Add '11' to each side of the equation.
-11 + 11 + 2n = 9 + 11

Combine like terms: -11 + 11 = 0
0 + 2n = 9 + 11
2n = 9 + 11

Combine like terms: 9 + 11 = 20
2n = 20

Divide each side by '2'.
n = 10

Simplifying
n = 10

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