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

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


Simplifying
7 + 3(2n + 5) + -1n = 0

Reorder the terms:
7 + 3(5 + 2n) + -1n = 0
7 + (5 * 3 + 2n * 3) + -1n = 0
7 + (15 + 6n) + -1n = 0

Combine like terms: 7 + 15 = 22
22 + 6n + -1n = 0

Combine like terms: 6n + -1n = 5n
22 + 5n = 0

Solving
22 + 5n = 0

Solving for variable 'n'.

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

Add '-22' to each side of the equation.
22 + -22 + 5n = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 5n = 0 + -22
5n = 0 + -22

Combine like terms: 0 + -22 = -22
5n = -22

Divide each side by '5'.
n = -4.4

Simplifying
n = -4.4

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