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

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


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

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

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

Combine like terms: -4n + 7n = 3n
7 + 2n = -8 + 3n

Solving
7 + 2n = -8 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
7 + 2n + -3n = -8 + 3n + -3n

Combine like terms: 2n + -3n = -1n
7 + -1n = -8 + 3n + -3n

Combine like terms: 3n + -3n = 0
7 + -1n = -8 + 0
7 + -1n = -8

Add '-7' to each side of the equation.
7 + -7 + -1n = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -1n = -8 + -7
-1n = -8 + -7

Combine like terms: -8 + -7 = -15
-1n = -15

Divide each side by '-1'.
n = 15

Simplifying
n = 15

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