(N-7)*3=9

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Solution for (N-7)*3=9 equation:


Simplifying
(N + -7) * 3 = 9

Reorder the terms:
(-7 + N) * 3 = 9

Reorder the terms for easier multiplication:
3(-7 + N) = 9
(-7 * 3 + N * 3) = 9
(-21 + 3N) = 9

Solving
-21 + 3N = 9

Solving for variable 'N'.

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

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

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

Combine like terms: 9 + 21 = 30
3N = 30

Divide each side by '3'.
N = 10

Simplifying
N = 10

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