9=4+2n-3

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Solution for 9=4+2n-3 equation:


Simplifying
9 = 4 + 2n + -3

Reorder the terms:
9 = 4 + -3 + 2n

Combine like terms: 4 + -3 = 1
9 = 1 + 2n

Solving
9 = 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 + -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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