(n-7)*9=90

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Solution for (n-7)*9=90 equation:


Simplifying
(n + -7) * 9 = 90

Reorder the terms:
(-7 + n) * 9 = 90

Reorder the terms for easier multiplication:
9(-7 + n) = 90
(-7 * 9 + n * 9) = 90
(-63 + 9n) = 90

Solving
-63 + 9n = 90

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 = 90 + 63

Combine like terms: -63 + 63 = 0
0 + 9n = 90 + 63
9n = 90 + 63

Combine like terms: 90 + 63 = 153
9n = 153

Divide each side by '9'.
n = 17

Simplifying
n = 17

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