16+12-5n=21

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Solution for 16+12-5n=21 equation: 


Simplifying
16 + 12 + -5n = 21

Combine like terms: 16 + 12 = 28
28 + -5n = 21

Solving
28 + -5n = 21

Solving for variable 'n'.

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

Add '-28' to each side of the equation.
28 + -28 + -5n = 21 + -28

Combine like terms: 28 + -28 = 0
0 + -5n = 21 + -28
-5n = 21 + -28

Combine like terms: 21 + -28 = -7
-5n = -7

Divide each side by '-5'.
n = 1.4

Simplifying
n = 1.4

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