7+2n=3-2(n+4)

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Solution for 7+2n=3-2(n+4) equation:


Simplifying
7 + 2n = 3 + -2(n + 4)

Reorder the terms:
7 + 2n = 3 + -2(4 + n)
7 + 2n = 3 + (4 * -2 + n * -2)
7 + 2n = 3 + (-8 + -2n)

Combine like terms: 3 + -8 = -5
7 + 2n = -5 + -2n

Solving
7 + 2n = -5 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
7 + 2n + 2n = -5 + -2n + 2n

Combine like terms: 2n + 2n = 4n
7 + 4n = -5 + -2n + 2n

Combine like terms: -2n + 2n = 0
7 + 4n = -5 + 0
7 + 4n = -5

Add '-7' to each side of the equation.
7 + -7 + 4n = -5 + -7

Combine like terms: 7 + -7 = 0
0 + 4n = -5 + -7
4n = -5 + -7

Combine like terms: -5 + -7 = -12
4n = -12

Divide each side by '4'.
n = -3

Simplifying
n = -3

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