3-5n-7+3n=9

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Solution for 3-5n-7+3n=9 equation:


Simplifying
3 + -5n + -7 + 3n = 9

Reorder the terms:
3 + -7 + -5n + 3n = 9

Combine like terms: 3 + -7 = -4
-4 + -5n + 3n = 9

Combine like terms: -5n + 3n = -2n
-4 + -2n = 9

Solving
-4 + -2n = 9

Solving for variable 'n'.

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

Add '4' to each side of the equation.
-4 + 4 + -2n = 9 + 4

Combine like terms: -4 + 4 = 0
0 + -2n = 9 + 4
-2n = 9 + 4

Combine like terms: 9 + 4 = 13
-2n = 13

Divide each side by '-2'.
n = -6.5

Simplifying
n = -6.5

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