0.5(30-n)=4

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Solution for 0.5(30-n)=4 equation: 


Simplifying
0.5(30 + -1n) = 4
(30 * 0.5 + -1n * 0.5) = 4
(15 + -0.5n) = 4

Solving
15 + -0.5n = 4

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + -0.5n = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -0.5n = 4 + -15
-0.5n = 4 + -15

Combine like terms: 4 + -15 = -11
-0.5n = -11

Divide each side by '-0.5'.
n = 22

Simplifying
n = 22

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