(n-7)*7=42

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Solution for (n-7)*7=42 equation:


Simplifying
(n + -7) * 7 = 42

Reorder the terms:
(-7 + n) * 7 = 42

Reorder the terms for easier multiplication:
7(-7 + n) = 42
(-7 * 7 + n * 7) = 42
(-49 + 7n) = 42

Solving
-49 + 7n = 42

Solving for variable 'n'.

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

Add '49' to each side of the equation.
-49 + 49 + 7n = 42 + 49

Combine like terms: -49 + 49 = 0
0 + 7n = 42 + 49
7n = 42 + 49

Combine like terms: 42 + 49 = 91
7n = 91

Divide each side by '7'.
n = 13

Simplifying
n = 13

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