10n+5(2n-3)=45

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Solution for 10n+5(2n-3)=45 equation:


Simplifying
10n + 5(2n + -3) = 45

Reorder the terms:
10n + 5(-3 + 2n) = 45
10n + (-3 * 5 + 2n * 5) = 45
10n + (-15 + 10n) = 45

Reorder the terms:
-15 + 10n + 10n = 45

Combine like terms: 10n + 10n = 20n
-15 + 20n = 45

Solving
-15 + 20n = 45

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 + 20n = 45 + 15

Combine like terms: -15 + 15 = 0
0 + 20n = 45 + 15
20n = 45 + 15

Combine like terms: 45 + 15 = 60
20n = 60

Divide each side by '20'.
n = 3

Simplifying
n = 3

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