n-1+7n-3n=19

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Solution for n-1+7n-3n=19 equation: 


Simplifying
n + -1 + 7n + -3n = 19

Reorder the terms:
-1 + n + 7n + -3n = 19

Combine like terms: n + 7n = 8n
-1 + 8n + -3n = 19

Combine like terms: 8n + -3n = 5n
-1 + 5n = 19

Solving
-1 + 5n = 19

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 5n = 19 + 1

Combine like terms: -1 + 1 = 0
0 + 5n = 19 + 1
5n = 19 + 1

Combine like terms: 19 + 1 = 20
5n = 20

Divide each side by '5'.
n = 4

Simplifying
n = 4

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