-5[9-5n]-7=38

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Solution for -5[9-5n]-7=38 equation:


Simplifying
-5[9 + -5n] + -7 = 38
[9 * -5 + -5n * -5] + -7 = 38
[-45 + 25n] + -7 = 38

Reorder the terms:
-45 + -7 + 25n = 38

Combine like terms: -45 + -7 = -52
-52 + 25n = 38

Solving
-52 + 25n = 38

Solving for variable 'n'.

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

Add '52' to each side of the equation.
-52 + 52 + 25n = 38 + 52

Combine like terms: -52 + 52 = 0
0 + 25n = 38 + 52
25n = 38 + 52

Combine like terms: 38 + 52 = 90
25n = 90

Divide each side by '25'.
n = 3.6

Simplifying
n = 3.6

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