7(n+3)=2(15+2n)

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Solution for 7(n+3)=2(15+2n) equation:


Simplifying
7(n + 3) = 2(15 + 2n)

Reorder the terms:
7(3 + n) = 2(15 + 2n)
(3 * 7 + n * 7) = 2(15 + 2n)
(21 + 7n) = 2(15 + 2n)
21 + 7n = (15 * 2 + 2n * 2)
21 + 7n = (30 + 4n)

Solving
21 + 7n = 30 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
21 + 7n + -4n = 30 + 4n + -4n

Combine like terms: 7n + -4n = 3n
21 + 3n = 30 + 4n + -4n

Combine like terms: 4n + -4n = 0
21 + 3n = 30 + 0
21 + 3n = 30

Add '-21' to each side of the equation.
21 + -21 + 3n = 30 + -21

Combine like terms: 21 + -21 = 0
0 + 3n = 30 + -21
3n = 30 + -21

Combine like terms: 30 + -21 = 9
3n = 9

Divide each side by '3'.
n = 3

Simplifying
n = 3

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