2-7n=9n+18

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Solution for 2-7n=9n+18 equation:


Simplifying
2 + -7n = 9n + 18

Reorder the terms:
2 + -7n = 18 + 9n

Solving
2 + -7n = 18 + 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.
2 + -7n + -9n = 18 + 9n + -9n

Combine like terms: -7n + -9n = -16n
2 + -16n = 18 + 9n + -9n

Combine like terms: 9n + -9n = 0
2 + -16n = 18 + 0
2 + -16n = 18

Add '-2' to each side of the equation.
2 + -2 + -16n = 18 + -2

Combine like terms: 2 + -2 = 0
0 + -16n = 18 + -2
-16n = 18 + -2

Combine like terms: 18 + -2 = 16
-16n = 16

Divide each side by '-16'.
n = -1

Simplifying
n = -1

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