40-3n=-21

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Solution for 40-3n=-21 equation: 


Simplifying
40 + -3n = -21

Solving
40 + -3n = -21

Solving for variable 'n'.

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

Add '-40' to each side of the equation.
40 + -40 + -3n = -21 + -40

Combine like terms: 40 + -40 = 0
0 + -3n = -21 + -40
-3n = -21 + -40

Combine like terms: -21 + -40 = -61
-3n = -61

Divide each side by '-3'.
n = 20.33333333

Simplifying
n = 20.33333333

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