(n-9)*4=20

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Solution for (n-9)*4=20 equation:


Simplifying
(n + -9) * 4 = 20

Reorder the terms:
(-9 + n) * 4 = 20

Reorder the terms for easier multiplication:
4(-9 + n) = 20
(-9 * 4 + n * 4) = 20
(-36 + 4n) = 20

Solving
-36 + 4n = 20

Solving for variable 'n'.

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

Add '36' to each side of the equation.
-36 + 36 + 4n = 20 + 36

Combine like terms: -36 + 36 = 0
0 + 4n = 20 + 36
4n = 20 + 36

Combine like terms: 20 + 36 = 56
4n = 56

Divide each side by '4'.
n = 14

Simplifying
n = 14

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