7n-3=9(n+3)

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Solution for 7n-3=9(n+3) equation:


Simplifying
7n + -3 = 9(n + 3)

Reorder the terms:
-3 + 7n = 9(n + 3)

Reorder the terms:
-3 + 7n = 9(3 + n)
-3 + 7n = (3 * 9 + n * 9)
-3 + 7n = (27 + 9n)

Solving
-3 + 7n = 27 + 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.
-3 + 7n + -9n = 27 + 9n + -9n

Combine like terms: 7n + -9n = -2n
-3 + -2n = 27 + 9n + -9n

Combine like terms: 9n + -9n = 0
-3 + -2n = 27 + 0
-3 + -2n = 27

Add '3' to each side of the equation.
-3 + 3 + -2n = 27 + 3

Combine like terms: -3 + 3 = 0
0 + -2n = 27 + 3
-2n = 27 + 3

Combine like terms: 27 + 3 = 30
-2n = 30

Divide each side by '-2'.
n = -15

Simplifying
n = -15

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