-5(2n+9)=10n

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Solution for -5(2n+9)=10n equation:


Simplifying
-5(2n + 9) = 10n

Reorder the terms:
-5(9 + 2n) = 10n
(9 * -5 + 2n * -5) = 10n
(-45 + -10n) = 10n

Solving
-45 + -10n = 10n

Solving for variable 'n'.

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

Add '-10n' to each side of the equation.
-45 + -10n + -10n = 10n + -10n

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

Combine like terms: 10n + -10n = 0
-45 + -20n = 0

Add '45' to each side of the equation.
-45 + 45 + -20n = 0 + 45

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

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

Divide each side by '-20'.
n = -2.25

Simplifying
n = -2.25

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