2n+7=-21

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Solution for 2n+7=-21 equation: 


Simplifying
2n + 7 = -21

Reorder the terms:
7 + 2n = -21

Solving
7 + 2n = -21

Solving for variable 'n'.

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

Add '-7' to each side of the equation.
7 + -7 + 2n = -21 + -7

Combine like terms: 7 + -7 = 0
0 + 2n = -21 + -7
2n = -21 + -7

Combine like terms: -21 + -7 = -28
2n = -28

Divide each side by '2'.
n = -14

Simplifying
n = -14

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