20n+40=10n+100

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Solution for 20n+40=10n+100 equation: 


Simplifying
20n + 40 = 10n + 100

Reorder the terms:
40 + 20n = 10n + 100

Reorder the terms:
40 + 20n = 100 + 10n

Solving
40 + 20n = 100 + 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.
40 + 20n + -10n = 100 + 10n + -10n

Combine like terms: 20n + -10n = 10n
40 + 10n = 100 + 10n + -10n

Combine like terms: 10n + -10n = 0
40 + 10n = 100 + 0
40 + 10n = 100

Add '-40' to each side of the equation.
40 + -40 + 10n = 100 + -40

Combine like terms: 40 + -40 = 0
0 + 10n = 100 + -40
10n = 100 + -40

Combine like terms: 100 + -40 = 60
10n = 60

Divide each side by '10'.
n = 6

Simplifying
n = 6

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