7n+21=-28

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Solution for 7n+21=-28 equation: 


Simplifying
7n + 21 = -28

Reorder the terms:
21 + 7n = -28

Solving
21 + 7n = -28

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + 7n = -28 + -21

Combine like terms: 21 + -21 = 0
0 + 7n = -28 + -21
7n = -28 + -21

Combine like terms: -28 + -21 = -49
7n = -49

Divide each side by '7'.
n = -7

Simplifying
n = -7

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