10n-30=7n

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Solution for 10n-30=7n equation:


Simplifying
10n + -30 = 7n

Reorder the terms:
-30 + 10n = 7n

Solving
-30 + 10n = 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
-30 + 10n + -7n = 7n + -7n

Combine like terms: 10n + -7n = 3n
-30 + 3n = 7n + -7n

Combine like terms: 7n + -7n = 0
-30 + 3n = 0

Add '30' to each side of the equation.
-30 + 30 + 3n = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 3n = 0 + 30
3n = 0 + 30

Combine like terms: 0 + 30 = 30
3n = 30

Divide each side by '3'.
n = 10

Simplifying
n = 10

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