7n+4-3n-9=19

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Solution for 7n+4-3n-9=19 equation:


Simplifying
7n + 4 + -3n + -9 = 19

Reorder the terms:
4 + -9 + 7n + -3n = 19

Combine like terms: 4 + -9 = -5
-5 + 7n + -3n = 19

Combine like terms: 7n + -3n = 4n
-5 + 4n = 19

Solving
-5 + 4n = 19

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + 4n = 19 + 5

Combine like terms: -5 + 5 = 0
0 + 4n = 19 + 5
4n = 19 + 5

Combine like terms: 19 + 5 = 24
4n = 24

Divide each side by '4'.
n = 6

Simplifying
n = 6

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