9(n+7)=21

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Solution for 9(n+7)=21 equation:


Simplifying
9(n + 7) = 21

Reorder the terms:
9(7 + n) = 21
(7 * 9 + n * 9) = 21
(63 + 9n) = 21

Solving
63 + 9n = 21

Solving for variable 'n'.

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

Add '-63' to each side of the equation.
63 + -63 + 9n = 21 + -63

Combine like terms: 63 + -63 = 0
0 + 9n = 21 + -63
9n = 21 + -63

Combine like terms: 21 + -63 = -42
9n = -42

Divide each side by '9'.
n = -4.666666667

Simplifying
n = -4.666666667

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