2n+0.5(n-9)=4.5

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Solution for 2n+0.5(n-9)=4.5 equation:


Simplifying
2n + 0.5(n + -9) = 4.5

Reorder the terms:
2n + 0.5(-9 + n) = 4.5
2n + (-9 * 0.5 + n * 0.5) = 4.5
2n + (-4.5 + 0.5n) = 4.5

Reorder the terms:
-4.5 + 2n + 0.5n = 4.5

Combine like terms: 2n + 0.5n = 2.5n
-4.5 + 2.5n = 4.5

Solving
-4.5 + 2.5n = 4.5

Solving for variable 'n'.

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

Add '4.5' to each side of the equation.
-4.5 + 4.5 + 2.5n = 4.5 + 4.5

Combine like terms: -4.5 + 4.5 = 0.0
0.0 + 2.5n = 4.5 + 4.5
2.5n = 4.5 + 4.5

Combine like terms: 4.5 + 4.5 = 9
2.5n = 9

Divide each side by '2.5'.
n = 3.6

Simplifying
n = 3.6

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