3(n-1)=5n+7+2n

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Solution for 3(n-1)=5n+7+2n equation:


Simplifying
3(n + -1) = 5n + 7 + 2n

Reorder the terms:
3(-1 + n) = 5n + 7 + 2n
(-1 * 3 + n * 3) = 5n + 7 + 2n
(-3 + 3n) = 5n + 7 + 2n

Reorder the terms:
-3 + 3n = 7 + 5n + 2n

Combine like terms: 5n + 2n = 7n
-3 + 3n = 7 + 7n

Solving
-3 + 3n = 7 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-3 + 3n + -7n = 7 + 7n + -7n

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

Combine like terms: 7n + -7n = 0
-3 + -4n = 7 + 0
-3 + -4n = 7

Add '3' to each side of the equation.
-3 + 3 + -4n = 7 + 3

Combine like terms: -3 + 3 = 0
0 + -4n = 7 + 3
-4n = 7 + 3

Combine like terms: 7 + 3 = 10
-4n = 10

Divide each side by '-4'.
n = -2.5

Simplifying
n = -2.5

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