4n-(n-1)=7

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Solution for 4n-(n-1)=7 equation:


Simplifying
4n + -1(n + -1) = 7

Reorder the terms:
4n + -1(-1 + n) = 7
4n + (-1 * -1 + n * -1) = 7
4n + (1 + -1n) = 7

Reorder the terms:
1 + 4n + -1n = 7

Combine like terms: 4n + -1n = 3n
1 + 3n = 7

Solving
1 + 3n = 7

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 + 3n = 7 + -1

Combine like terms: 1 + -1 = 0
0 + 3n = 7 + -1
3n = 7 + -1

Combine like terms: 7 + -1 = 6
3n = 6

Divide each side by '3'.
n = 2

Simplifying
n = 2

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