2n+5n=9n-20

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Solution for 2n+5n=9n-20 equation:


Simplifying
2n + 5n = 9n + -20

Combine like terms: 2n + 5n = 7n
7n = 9n + -20

Reorder the terms:
7n = -20 + 9n

Solving
7n = -20 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
7n + -9n = -20 + 9n + -9n

Combine like terms: 7n + -9n = -2n
-2n = -20 + 9n + -9n

Combine like terms: 9n + -9n = 0
-2n = -20 + 0
-2n = -20

Divide each side by '-2'.
n = 10

Simplifying
n = 10

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