4n+18=9n-7

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Solution for 4n+18=9n-7 equation:


Simplifying
4n + 18 = 9n + -7

Reorder the terms:
18 + 4n = 9n + -7

Reorder the terms:
18 + 4n = -7 + 9n

Solving
18 + 4n = -7 + 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.
18 + 4n + -9n = -7 + 9n + -9n

Combine like terms: 4n + -9n = -5n
18 + -5n = -7 + 9n + -9n

Combine like terms: 9n + -9n = 0
18 + -5n = -7 + 0
18 + -5n = -7

Add '-18' to each side of the equation.
18 + -18 + -5n = -7 + -18

Combine like terms: 18 + -18 = 0
0 + -5n = -7 + -18
-5n = -7 + -18

Combine like terms: -7 + -18 = -25
-5n = -25

Divide each side by '-5'.
n = 5

Simplifying
n = 5

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