30-.5n=10

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Solution for 30-.5n=10 equation: 


Simplifying
30 + -0.5n = 10

Solving
30 + -0.5n = 10

Solving for variable 'n'.

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

Add '-30' to each side of the equation.
30 + -30 + -0.5n = 10 + -30

Combine like terms: 30 + -30 = 0
0 + -0.5n = 10 + -30
-0.5n = 10 + -30

Combine like terms: 10 + -30 = -20
-0.5n = -20

Divide each side by '-0.5'.
n = 40

Simplifying
n = 40

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