4n-9=2n-1

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Solution for 4n-9=2n-1 equation:


Simplifying
4n + -9 = 2n + -1

Reorder the terms:
-9 + 4n = 2n + -1

Reorder the terms:
-9 + 4n = -1 + 2n

Solving
-9 + 4n = -1 + 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.
-9 + 4n + -2n = -1 + 2n + -2n

Combine like terms: 4n + -2n = 2n
-9 + 2n = -1 + 2n + -2n

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

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

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

Combine like terms: -1 + 9 = 8
2n = 8

Divide each side by '2'.
n = 4

Simplifying
n = 4

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