10(n+10)=20(n+20)

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Solution for 10(n+10)=20(n+20) equation:


Simplifying
10(n + 10) = 20(n + 20)

Reorder the terms:
10(10 + n) = 20(n + 20)
(10 * 10 + n * 10) = 20(n + 20)
(100 + 10n) = 20(n + 20)

Reorder the terms:
100 + 10n = 20(20 + n)
100 + 10n = (20 * 20 + n * 20)
100 + 10n = (400 + 20n)

Solving
100 + 10n = 400 + 20n

Solving for variable 'n'.

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

Add '-20n' to each side of the equation.
100 + 10n + -20n = 400 + 20n + -20n

Combine like terms: 10n + -20n = -10n
100 + -10n = 400 + 20n + -20n

Combine like terms: 20n + -20n = 0
100 + -10n = 400 + 0
100 + -10n = 400

Add '-100' to each side of the equation.
100 + -100 + -10n = 400 + -100

Combine like terms: 100 + -100 = 0
0 + -10n = 400 + -100
-10n = 400 + -100

Combine like terms: 400 + -100 = 300
-10n = 300

Divide each side by '-10'.
n = -30

Simplifying
n = -30

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