-9n+4n-13=-28

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Solution for -9n+4n-13=-28 equation:


Simplifying
-9n + 4n + -13 = -28

Reorder the terms:
-13 + -9n + 4n = -28

Combine like terms: -9n + 4n = -5n
-13 + -5n = -28

Solving
-13 + -5n = -28

Solving for variable 'n'.

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

Add '13' to each side of the equation.
-13 + 13 + -5n = -28 + 13

Combine like terms: -13 + 13 = 0
0 + -5n = -28 + 13
-5n = -28 + 13

Combine like terms: -28 + 13 = -15
-5n = -15

Divide each side by '-5'.
n = 3

Simplifying
n = 3

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