3(n-2)-(n-1)=

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Solution for 3(n-2)-(n-1)= equation:


Simplifying
3(n + -2) + -1(n + -1) = 0

Reorder the terms:
3(-2 + n) + -1(n + -1) = 0
(-2 * 3 + n * 3) + -1(n + -1) = 0
(-6 + 3n) + -1(n + -1) = 0

Reorder the terms:
-6 + 3n + -1(-1 + n) = 0
-6 + 3n + (-1 * -1 + n * -1) = 0
-6 + 3n + (1 + -1n) = 0

Reorder the terms:
-6 + 1 + 3n + -1n = 0

Combine like terms: -6 + 1 = -5
-5 + 3n + -1n = 0

Combine like terms: 3n + -1n = 2n
-5 + 2n = 0

Solving
-5 + 2n = 0

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 + 2n = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 2n = 0 + 5
2n = 0 + 5

Combine like terms: 0 + 5 = 5
2n = 5

Divide each side by '2'.
n = 2.5

Simplifying
n = 2.5

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