15+7n=9n+1

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Solution for 15+7n=9n+1 equation:


Simplifying
15 + 7n = 9n + 1

Reorder the terms:
15 + 7n = 1 + 9n

Solving
15 + 7n = 1 + 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.
15 + 7n + -9n = 1 + 9n + -9n

Combine like terms: 7n + -9n = -2n
15 + -2n = 1 + 9n + -9n

Combine like terms: 9n + -9n = 0
15 + -2n = 1 + 0
15 + -2n = 1

Add '-15' to each side of the equation.
15 + -15 + -2n = 1 + -15

Combine like terms: 15 + -15 = 0
0 + -2n = 1 + -15
-2n = 1 + -15

Combine like terms: 1 + -15 = -14
-2n = -14

Divide each side by '-2'.
n = 7

Simplifying
n = 7

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