10(9-2n)=-5n

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


Simplifying
10(9 + -2n) = -5n
(9 * 10 + -2n * 10) = -5n
(90 + -20n) = -5n

Solving
90 + -20n = -5n

Solving for variable 'n'.

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

Add '5n' to each side of the equation.
90 + -20n + 5n = -5n + 5n

Combine like terms: -20n + 5n = -15n
90 + -15n = -5n + 5n

Combine like terms: -5n + 5n = 0
90 + -15n = 0

Add '-90' to each side of the equation.
90 + -90 + -15n = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -15n = 0 + -90
-15n = 0 + -90

Combine like terms: 0 + -90 = -90
-15n = -90

Divide each side by '-15'.
n = 6

Simplifying
n = 6

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