20+.15*n=30+.10*n

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Solution for 20+.15*n=30+.10*n equation:


Simplifying
20 + 0.15n = 30 + 0.10n

Solving
20 + 0.15n = 30 + 0.10n

Solving for variable 'n'.

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

Add '-0.10n' to each side of the equation.
20 + 0.15n + -0.10n = 30 + 0.10n + -0.10n

Combine like terms: 0.15n + -0.10n = 0.05n
20 + 0.05n = 30 + 0.10n + -0.10n

Combine like terms: 0.10n + -0.10n = 0.00
20 + 0.05n = 30 + 0.00
20 + 0.05n = 30

Add '-20' to each side of the equation.
20 + -20 + 0.05n = 30 + -20

Combine like terms: 20 + -20 = 0
0 + 0.05n = 30 + -20
0.05n = 30 + -20

Combine like terms: 30 + -20 = 10
0.05n = 10

Divide each side by '0.05'.
n = 200

Simplifying
n = 200

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