1+n=2n+9

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Solution for 1+n=2n+9 equation:


Simplifying
1 + n = 2n + 9

Reorder the terms:
1 + n = 9 + 2n

Solving
1 + n = 9 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
1 + n + -2n = 9 + 2n + -2n

Combine like terms: n + -2n = -1n
1 + -1n = 9 + 2n + -2n

Combine like terms: 2n + -2n = 0
1 + -1n = 9 + 0
1 + -1n = 9

Add '-1' to each side of the equation.
1 + -1 + -1n = 9 + -1

Combine like terms: 1 + -1 = 0
0 + -1n = 9 + -1
-1n = 9 + -1

Combine like terms: 9 + -1 = 8
-1n = 8

Divide each side by '-1'.
n = -8

Simplifying
n = -8

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