-7n-21+5n+4=

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Solution for -7n-21+5n+4= equation:


Simplifying
-7n + -21 + 5n + 4 = 0

Reorder the terms:
-21 + 4 + -7n + 5n = 0

Combine like terms: -21 + 4 = -17
-17 + -7n + 5n = 0

Combine like terms: -7n + 5n = -2n
-17 + -2n = 0

Solving
-17 + -2n = 0

Solving for variable 'n'.

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

Add '17' to each side of the equation.
-17 + 17 + -2n = 0 + 17

Combine like terms: -17 + 17 = 0
0 + -2n = 0 + 17
-2n = 0 + 17

Combine like terms: 0 + 17 = 17
-2n = 17

Divide each side by '-2'.
n = -8.5

Simplifying
n = -8.5

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